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5 Surprising Facts about the Desert

Desert is indeed often perceived as a place with a wide area and filled with sand. Barren, barren, and hot may be the key word that always appears when talking about deserts. However, it turns out that the desert is not always talking about it. Then, what are some interesting facts that are not widely known about the desert? Here are 5 interesting facts:


 1. Desert Area on Earth

The area of ​​the Earth is generally controlled by the sea with a total of approximately 71 percent of the total area of ​​the Earth. About 29 percent of the land area that is left is not much that can be used as a place to live, it is estimated that one third (33 percent) of this land area is controlled by deserts spread across the poles to deserts on the African continent and the Asian continent (estimated land area of ​​the Earth 148.9 million km²). No wonder the number is very large because the polar region is a very large area.
Sahara Desert | wikipedia


The deserts that are spread throughout the continents of the world are almost not used as a place to live because the land is quite barren and difficult to get food, water for life and desert storms are quite disturbing. But some countries in the Middle East have begun to spread their wings to areas around the desert by building pretty beautiful cities.

 2. Snow in the Desert

According to science, if an area has certain rainfall (allowing rain) and has enough low temperatures to cool down water, then the area allows snow. Desert is not a region without rainfall, only the rainfall is very small. But when it falls in the winter with the right time, snow is very likely to fall in the area.

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Sahara Snow | wikimedia.org
This was proven precisely in 1979, the lowlands of the Sahara desert recorded their first snowfall in living memory. It snowed in places in southern Algeria, where a half-hour snowstorm stopped traffic. In winter, the temperature drops quite low at the top of Tahat, the highest mountain peak in Algeria, causing snow every three years.


3. The Most Isolated Tree on Earth

Most living trees coexist and colonize very much in number, but not with this one tree. The tree that was once considered the most remote tree on Earth is the only tree in a distance of more than 400 kilometers.
Tree of Ténéré | wikipedia.org

The Ténéré tree is the only tree shown on the map on a scale of 1: 4,000,000. This tree is located near a 40-meter deep well found in the Sahara desert region. But unfortunately the tree that was quite horrendous and became the highlight of this collapsed in 1973, was hit by a truck driver who allegedly drunk. Until now this tree is still an interesting thing so that the local government made a monument to commemorate its existence.

4. Desert, Not Just about Sand

In geographical terms, the desert is an area that receives a rainfall of at least 250 millimeters per year. Usually if we talk about deserts that must have occurred in our minds there are deserts in Africa and eastern countries in Asia. But it turns out that the desert is not just talking about the area or the scattered barren shadow.


Snow and desert Wikimedia.org
The formation of the desert itself is divided into two, that is due to the weathering process of rock types and excessive evaporation of ground water. Deserts are usually separated based on the biome that lives inside, which is divided into cold deserts, hot and dry deserts, semi-arid deserts and coastal deserts. The majority of the desert that covers the earth itself turns out to be in the polar region.

5. The Biggest Desert in the World Not Available in Africa or Asia

The Antarctic Desert is a pretty amazing area with a very cold area and isolated from the outside world. The area reaches 14 million square kilometers making it the widest desert on Earth that belongs to the cold desert. The rainfall in the area itself is less than 51 millimeters per year. Most of the area is covered with ice, which covers approximately 90 percent of Earth's water.

Antarctica | wikimedia.org

At least 2 percent of this largest desert is not covered with ice and is a habitat for animals such as penguins, seals, birds and other animals. Other areas or 98 percent of the area are covered with ice with a thickness of up to 1.6 km. Like in other deserts, wind storms still come to form a storm that can reach speeds of 320 km per hour.


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7 Brothers Twin Earth's Most Chance inhabited by Human

Perbandingan planet-planet di sekitar bintang Trappist-1 dan beberapa planet di tata surya kita (AFP/European Southern Observatory). updetails.com
Comparison of planets around stars Trappist-1 and some of the planets in our solar system
 (AFP / European Southern Observatory).
The temperature at the surface of Kepler-22b is estimated that only around 22 degrees Celsius, quite cool as on Earth.

For years astronomers have been pursuing the universe to find planets like Earth. Scientists hope to find new planets that could be inhabited by humans, or even find a new alias alien life forms.

This search has found thousands of exoplanets - planets outside our solar system - with a variety of characters, including a number of Earth-like planets are believed to support life.

Included are seven planets orbiting a small star called Trappist-1, which is about 44 light years from Earth. Three of the seven planets is called very similar to Earth, because in addition to a rocky surface is also located in the habitable zone of its parent star.

The discovery of seven planets in the solar system Trappist-1 is reviewed in the journal Nature this week.

But long before the solar system Trappist-1 was discovered, astronomers have known a number of planets with Earth-like characters and even more unique. Here are 7 unique Earth-like planet discovered earlier:

1. Proxima b

Only 4.2 light-years or about 40 trillion kilometers from Earth, dancing a star called Proxima Centauri. He is the star closest parent our solar system, the sun.

European investigators in August 2016 and then announced that there was a planet orbiting Proxima Centauri has a character very much like Earth. Earth's twin is named Proxima b. Its size is about 1.3 times that of Earth.

In addition to a similar size, Proxima b also be in the habitable zone of Proxima Centauri that allegedly could sustain life or even have my own life.

2. Kepler-438b

Kepler-438b orbits a red dwarf star within 470 light years from Earth. The planet is considered to be very similar to Earth in terms of radius and weight.

Kepler-438b remains apparently not included that can sustain life, because in a study in 2015 discovered that the planet's parent star is very unstable, is still sending waves of radiation energy that is 10 times more powerful than the energy emitted by our sun.

3. OGLE-2013-BLG-0341LBb

The planet is located in a binary star system - a system that possessed two parent star. But OGLE-2013-BLG-0341LBb only one star orbiting at a distance equal to the distance of Earth to the sun.

However the parent star OGLE-2013-BLG-0341LBb dimmer than our sun and did not produce enough heat. Therefore the researchers suspect that OGLE-2013-BLG-0341LBb can not be inhabited by humans.

Unique findings of OGLE-2013-BLG-0341LBb the scientists found evidence that rocks berpermukaan planet like Earth, seems to exist in a binary star system.

OGLE-2013-BLG-0341LBb own size about twice the mass of Earth and its discovery was announced in 2013. It is located about 3000 light-years from Earth in the constellation Sagittarius.

4. Kepler-186f

The discovery of this planet is a milestone in astronomy because it is the first Earth-like planets are known to be located in the habitable zone. Kepler-186f, whose discovery was announced in 2014, orbiting a red dwarf star located 500 light years from Earth.

Kepler-186f size of about 1.1 times that of Earth. He took the equivalent of 130 Earth days to orbit its parent star - compared with Earth takes about 365 days.

5. Gliese 667 Cc

Gliese 667 Cc distance from Earth only about 24 light-years away. Its mass is about 4 times the mass of Earth, however only about 1.5 times the radius of Earth.

The unique design of Gliese 667 Cc was its location. It is difficult for scientists to trace the planets around Gliese 667 C, the planet's parent star.

In 2016 only two planets that could certainly be in the solar system Gliese 667 C. Allegedly there are five other planets near the star, but there is no accurate data to support this assumption.

6. Wolf 1061c

The planet is larger than Earth, its radius is four times longer than the Earth. In addition, according to the scientists say, he looked more like Uranus than Earth because of the character of its unique atmosphere.

But Wolf 1061c locations are in the habitable zone of its parent star. This planet also had two neighbors who have a rocky surface, the same as two neighboring planet Earth.

The solar system where Wolf 1061c is only 14 light years from Earth.

7. Kepler-22b

Announced its discovery in 2011, Kepler-22b measuring 2.4 times that of Earth. He is the first exoplanets were found to lie within the habitable zone.

More unique, Kepler-22b has a parent star similar to our sun. Not only that, one year in duration of Kepler-22b is equivalent to 290 Earth days.

The temperature at the surface of Kepler-22b is estimated that only around 22 degrees Celsius, quite cool as on Earth. Astronomers suspect Kepler-22b's surface covered by oceans.

Yet further research into Kepler-22b could not be held in the near future, because the distance is about 600 light-years from Earth. (Live Science)

These simulations show such a site within 250 million years!

Simulasi ini tunjukkan rupa Bumi dalam 250 juta tahun mendatang!
Earth 250 million years. © 2017

Ever imagined how the shape of the Earth in the future? Scientists have already done so, even in the very distant future, which is 250 million years old.

Reported by the Daily Mail, a simulated Earth's future conducted by a team of researchers from Yale University and the Department of science and technology and marine Earth Japan. Research published in the journal Nature revealed that tectonic plate movement will change the map of the world.

True, later on the north and south part of America will become one, while the Caribbean Sea and the Arctic will disappear. In addition, the Asian continent will converge with the American continent.

The tectonic plates of Earth's crust is so causes the movement of continents that have occurred hundreds of millions of years ago.

Research and simulation is based on a theory called Orthoversion, where after a separation of the continents, its share would move away from its original site but remain stuck in the plates north and south. Until later in the Pacific Ring of Fire, there will be a 'supercontinent' that will be created from the movement of these plates.

Not only Asia and America are united that may later be called Amasia continent, but over time the European continent will 'run over' by the movement of the two continents.

how do you think interesting if we will unite with America?

Know 'Bennu', the most Feared Giant Asteroid Scientist

Asteroid. © Gizmodo.com.au

Somewhere out there, there may be thousands of asteroids that are harmful to the Earth's claims are not true though. However, unlike the case with a 500-meter asteroid named 'Bennu'.

According to scientists from the University of Arizona, New Bennu asteroid will approach the Earth in the year 2135. At that time Bennu is expected to pass between the Earth and the Moon. Scientists fear it is not in the year 2135, but many years afterwards.

Keep in mind when passing asteroid Bennu orbit (trajectory around the sun) Earth every six years. Bennu rare occurrence passage between the Earth and the Moon in the year 2135 it was called Bennu could deflect the trajectory becomes earthbound in the future.

Dante Lauretta, a professor from the University of Arizona, said that if 40 years after the passage of Bennu between the Earth and the Moon, Bennu likely hit the Earth.

"The approach of Bennu in the year 2135 will change its trajectory, potentially pointing to Earth at the end of the century (2135). Bennu could be doomed to suffering and death is great," said Lauretta in the Sunday Times.

Lauretta then estimate the chances Bennu Bennu hit Earth about 1: 2700 in between the years 2175 and 2196. If a collision does occur, will appear the explosion equivalent to 3 billion tons of bombs.

Based on this case was, or the US space agency NASA, trying to send a spacecraft to examine Bennu. Air-Rex named OSRIS is planned to be launched in September and is scheduled to land at the Bennu 2018.

Oxygen was found in 12 billion light years away from Earth

Illustration of a supernova explosion. © 2016 Merdeka

Perhaps the ideals of humanity for invading another planet and left Earth just wishful thinking. The reason, the key element for life: oxygen, are very far from the universe in which we live.

Reported by the Daily Mail, astronomers for the first time in history managed to accurately measure the amount of oxygen in a galaxy is 12 billion light years from Earth.

A galaxy named COSMOS-1908, consists of only 20 percent of the oxygen in the sun. In the sun itself there is little oxygen levels. Oxygen was actually appeared in stars and interstellar released into the air when the star died.
Galaxy COSMOS 1908 Ryan Sanders / candels team
The discovery gives a little hope about the various details of distant galaxies of the Milky Way. Astronomers also see that it is the potential of the galaxy, or galaxy that is still young and has not formed life.

From this it can also be further study of how galaxies evolve over time, to strengthen the theory of the Big Bang.

Professor Alice Shapley, an astronomer from the University of California, stating that "it is the most distant galaxies in which the amount of oxygen can be measured. This is reminiscent of how the Earth occurred billions of years ago, where there is little oxygen, too." Yep, at the beginning of this galaxy formed, oxygen is the smallest element, in which hydrogen and helium is the most substantial.

COSMOS-1908 was also not as big as the Milky Way. The new galaxies contain only 1 billion stars, compared to our galaxy of 100 billion stars.
D Keck Observatory Hawaii, where research MOSFIRE REUTERS

This discovery is an achievement for the researchers who are members of the Multi-Object Infrared Spectrometre for Exploration, or MOSFIRE, who did oservasinya at the Keck Observatory in Hawaii. This is because, the previous space technology can actually measure the amount of oxygen in a galaxy that is close by, without any results. Instead, MOSFIRE actually found oxygen in very distant galaxies.

The findings were published in the journal Astrophysical Journal Letters, made her first research to measure the oxygen levels in a distant galaxy.

The name Palestine disappeared from Google Maps, replaced with Israel

 
Google Logo. © newyorker.com

Since yesterday, the virtual world scene with the disappearance of Palestine from the map GoogleMaps name, and changed to Israel. Replacement is then triggered protests from various parties.

Some consider, what has been done the search engine company Google has sparked controversy. Protest loudest of the Palestinian Journalists Forum.

Quoted from page middleeastmonitor.com few days ago, the journalist forum criticized Google for the actions remove the name of Palestine from the map and replace it with Israel. This protest then filed through a statement released yesterday.

"Google's decision erase Palestine from the map on July 25 as part of an Israeli scheme to establish his name as a legitimate state has our region (Palestine) for generations to come and wipe out the name of the Palestinians once and for all," wrote a written statement Journalists Forum Palestine ,
Google Maps remove the name of Palestine in 2016
In addition, the journalists furiously mentioned, the act of removing Palestinians from the map is an act considered presumptuous and want to falsify history.

"This move is also designed to falsify the history, geography and the right of Palestinians to their homeland, and this is one attempt to tamper with the memory of the Palestinian and Arab world," they continued.

This forum also mentioned, the measures carried out contrary to international conventions.

"The steps Google is contrary to all norms and international conventions. We emphasize that Google should be re-thinking their actions," said Palestinian journalists.

NASA Discover Morse Code on Mars, Messages from 'Alien'?


Washington DC - Astronomers find dark sand dunes on the surface of Mars that resembles Morse code.

The picture was taken in February 2016 by using a high-resolution camera on the Mars Reconnaissance Orbiter United States Space Agency (NASA).

Whether the finding was deliberately left behind by the aliens Mars or just a topographic anomaly? To that question, NASA tried to explain it scientifically.

Quoted from CNN, Wednesday (07/13/2016), the sand dunes are formed in the lower berpermukaan thought to be an old asteroid crater.

According to the NASA, the region forming effect for the amount of sand hills and the wind pattern that forms the pile.

Unlike a line in the sand dunes that we usually see on Earth, winds that carve the mound was made to have dots and lines with different patterns - like a Morse code.

But until now, researchers have not been able to find the cause of why the 'Morse code' is formed in the region.

"That process is currently not well understood and became one of the motivations for studying in this area," NASA said in a media statement.

A planetary scientist, Veronica Bray, trying to translate the Morse code using the site Gizmodo.com and yielded the following results:

NEE NED ZB 6TNN DEIBEDH SIEFI EBEEE SSIEI ESEE SEEE !! No one can translate the 'message' is?

However, NASA did not think that the code was accidentally left behind by the aliens to convey a message to the inhabitants of Earth. What do you think?

Sun observed sluggish, the ice age could again addressed the Earth

 Snowstorm. © Reuters / Mohamed Alhwaity

For the second time in June, observed solar activity was minimal. In fact, scientists say this is the happiest moments 'silence' the sun over the last 100 years.

Based on the observation Vencore Weather, barely visible black spots on the sun's surface from the 4-8 June. The absence of black spots means that the sun was at its lowest point of activity.

Illustration of the sun with no dark spots in 2016 NASA

Keep in mind, when there are many black spots, the sun can unleash a storm throughout the solar system. This will make the Earth hotter because of the increasing amount of solar radiation that is released.

Low solar activity have brought about a decline in world temperatures are quite extreme. Never around the year 1645 - 1715, when very few sunspots, the river Thames in London reported total freeze.

Laintas scientists predict extreme weather when it could again struck the Earth in the year 2020 to 2030. At that time there will be two opposing solar cycle, sunspots make disappear. Therefore, the little ice age predicted would hit the Earth at that time.

Just a phone number, the hacker is able to tap all the smartphones on Earth!

Illustration of man-in-the-middle 2016 telegraph.co.uk

German security experts who are members of the Security Research Labs (SRL) just to show the world where hackers can spy on every human on Earth who has a telephone number. How to?

In an event at CBS, the team showed how they utilize an existing vulnerabilities in the mobile network world, the Signalling System Seven (SS7). Yes, by exploiting SS7, they can hack all kinds of smartphones.

As a demonstration, Karsten Nohl as one internet security experts SRL trying to spy on members of the House of Representatives iPhone California, USA, named Ted Lieu. Sure enough, just a phone number Ted Lieu capital, Nohl can break into the iPhone on the council.

As a result, Nohl can tap and record conversations, see isis Lieu contacts, read text, and even track the movements Lieu. Nohl even be aware of any phone numbers to dial Lieu.

Remember, because only the necessary phone numbers, Nohl or other hackers can exploit new number they get. Horrified not?

"Things do whatever Lieu, from chosing a safe, install a password, or to install security applications have no bearing on us. Because we attack the cellular network," said Nohl.

Ironically SS7 is in fact not a new thing, because this vulnerability was first reported in August 2015 ago. In addition, the SS7 protocol is a signal transmitter system that is now in use by 800 telecommunication companies in various countries.

Major countries in the world, such as America, United Kingdom, to Germany joined using SS7. The success of the action using a smartphone hacking vulnerabilities SS7 called up to the 70 percent.

How does the vulnerability SS7?

Basically the hacker exploit SS7 using man-in-the-middle alias piracy. First the hacker will forward all calls to a recording device online and then all calls were forwarded to the destination phone number.

Then they need to use another hacker tool that serves to record the activity of smartphone users. As for the location, hackers usually take advantage of Google Maps.

SS7 vulnerability has become common knowledge

Karsten Nohl said that if the vulnerability SS7 is actually an open secret among the spy agency world. Worse yet, there are no global rules governing SS7. The question is whether this vulnerability SS7 also threaten Indonesia?

Source: Techworm

100 Million Waste Threatens Space Satellite

More than 100 523 000 space junk from the size of more than one millimeter (mm) to more than 10 centimeters (cm) produced since over the last 50 years increasingly threatening the existence of the satellite to the space station.
Earth (Pixabay)
"With the increased activity in space, the higher the possibility of collisions in space occurred in the presence of the space junk," said Assistant Secretary, Bureau of Arms Control, Verification, and Compliance United State Frank A Rose in discussions Three minuters of Darkness over Indonesia in @ America , Jakarta, Friday (26/2).

He said the radar-owned The US Join Space Operations Center (JSpOC) successfully tracked more than 23,000 space junk the size of a softball or larger than 10 cm, as well as over 500,000 managed to track space junk measuring more than one centimeter, and 100 million more space junk with larger sizes up to one mm.

A wide variety of space junk, according to Rose, in space, ranging from a toothbrush, a former rocket, former space shuttle, until the satellite is no longer active. All together rotating around the earth with satellites that are still active up to the space station.

In 2007, he said China's test satellites and generate 3000 fragment size above 10 cm are expected to be in space for hundreds of years. And in 2009, a significant incident occurs in a vacuum chamber is currently destroyed the Russian satellite Iridium 33 was hit by a Russian Cosmos 2251 satellite others that are inactive.

"Space junk is obviously going to be a threat to the system keantariksaan many countries, even the last few years hundreds of instances where the space junk trial results in 2000 is getting closer to the satellites of their own," said Rose.

He said that currently there are about 60 countries, private institutions, colleges in the world to operate the satellite, and the number reached more than 100 units with an assortment of orbit.

The existence of space technology in space, according to him, has given the progress and benefits for human life on earth.
Cooperation between the state and the private sector in the use of this technology is vital for economic progress and security on earth.

Utilization of space technology ranging from disaster early warning systems, navigation facilities for transportation, global access to finance or banking, and various other important activities on earth.

"Even the technology into an outer space is very important, including to Indonesia, which has thousands of islands. But now, only we know these systems have drawbacks after several decades turns littering outer space, "he said.

Reasons Earth Livable to the Present

Researchers have managed to find the relationship between
the mineral content with the support of a planet to life
One of the advantages the Earth than any other planet is capable of supporting life. This is clearly one of the factors that distinguishes the Earth with other planets in the Solar System.

But, you know it turns out one of the factors that made the Earth can support life comes from the minerals in the planet.

Is a pair of researchers from the Geophysical Laboratory at the Carnegie Institution of Washington who submitted the idea. Both managed to find a relationship between the presence of minerals, especially rare earth minerals, on Earth with the ability of the planet to support life.

"Life does not get started without some chemical properties in mineral when the Earth was formed," said Robert Hazen, one of the researchers, as quoted from page Tech Times, Monday (02/15/2016).

He said that the ability of a planet to support life influenced the content of rare minerals in it.

This conclusion is drawn Hazen after managed to find more than 2,250 rare minerals on Earth. According to him, the presence of rare minerals not only sustain life, but also a characteristic of a planet. Therefore, the content of rare minerals can be a 'fingerprint' of each planet.

Hazen also added that the same thing may also apply on other planets. He estimated that the discovery of life on other planets, such as Mercury and Mars, because the planet has only two mineral content simple.

This is also the reason why the exploration on the Moon and Mars did not manage to find something astounding in the field of mineralogy. Therefore, most likely, the two places have no mineral content is unique and rare.

On the other hand, co-Hazen, Jesse Ausubel, said that the presence of the mineral is also associated with diversity of life of a planet. According to him, ecologically poor planet is a planet that has a little mineral content.

In addition to successfully find a correlation between the presence of minerals with a planet's ability to support life. The discovery of a rare mineral may also help to understand more about forming the Earth itself. (Dam / Ysl)

Only Earth Pellets Dust in the Universe, Video This proof

Jakarta - In the scheme of the universe, the Earth is only a small point. Insignificant dust grains.
You just grains of dust in the Earth's diameter is 12,700 km.
If it's enough to make you feel insignificant, watch this video.
Knowing how vast and rich universe is one thing. However, knowing the true scale is another.

Not many human beings who have the opportunity crawl space. However, a video from Business Insider Animation can help you understand it. And make us amazed..

The video starts by showing the scale of protons, the smallest particle of every atom. Size 1 femtometer (0.000000000000001 meters), and juxtaposed with the carbon atom sized 31 pectometer (0.000000000000031 meters). Furthermore, the carbon atoms coupled to the wavelength of X-rays measuring 500 pectometer.

Slowly, performing red blood cell size, 7 micrometers (0.000007 meters), followed by the width of a human hair, 100 micrometers.

Then perform a comparison between ants, 0.4 millimeter and one penny coins, 1.9 cm. Then, the size of a basketball diameter, 24 cm high compared to the average man, of 1.7 meters.
The width of a human hair. (Photo: Business Insider Animation)
Human size juxtaposed with the world's largest animal, the blue whale, 30 cm. Then came the Egyptian pyramids comparison, 140 m and the Empire State Building, 443 m. If the video keeps playing, appeared comparison Mount Everest (8.8 km).

Then, the length of Rhode Island, 75 km, compared with the whole broad area of ​​California, 1,200 km, compared to the diameter of Pluto, 2,300 km.

There was also a comparison between the planets in the Solar System, such as the planet Mars, 6,800 km, the planet Venus, 12,000 km, and our home planet, Earth, 12,700 km.

If a different size of Mars, Venus, and Earth was slammed away, the planet's huge compared to the three, with a diameter of 51,000 km. But there is still nothing compared to the ringed planet Neptune, 120,000 km, and Jupiter, 140,000 km.

But everything looks cute paired with a diameter of 1.4 million km of the sun.

The most visible star in the constellation Ursa Minor, aka Polaris the North Star also appear, its size 40,000,000 km. Looks tiny juxtaposed with Rigel, the biggest star in the constellation Orion with the size of 97 million.

Furthermore, the display appears the size of the distance of the earth to Voyager I, 17 billion km. Juxtaposed with the size of the one day of light, 26 billion km, coupled with a light-year, 9,460,000,000,000 km.

Meanwhile, Earth's nearest star, Proxima Centauri, there is at a distance of 4.2 light years. The star in the cluster Omega Centauri, which covers about 150 light-years, which is small when compared to the Milky Way galaxy, 120,000 light years. Meanwhile, the Andromeda Galaxy, the neighbor of the Milky Way, scale 150,000 light years.
Milky Way galaxy. (Photo: Business Insider Animation)
'Proximity' Milky Way and Andromeda is 2,000,000 light years.

Andromeda and the Milky Way are members of the Virgo Supercluster, which is 30 million light-years total area.

Meanwhile, the space that is still capable observable universe is 93 billion light years.

How? Do you still feel significant? Shall the problems you are today worth mess around until dark eyes?

Watch the video!
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