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![Mariana Trench - the oceanic trench in the western Pacific](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-1.jpg)
Mariana Trench - the oceanic trench in the western Pacific ocean.
It is the deepest place on the Earth. Mariana Trench is called «the fourth pole of the Earth».
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![People tried to conquer the North and the South poles](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-2.jpg)
People tried to conquer the North and the South poles of the Earth, ascended Mount
Everest for many decades, but reach the bottom of the Mariana Trench failed.
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![In 1951 obtained the first data on the depth, which](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-3.jpg)
In 1951 obtained the first data on the depth, which
were made of British ship "Challenger" - 10 863 m. In 1957, scientists found, that a maximum depth of the Mariana Trench - 11 022 m
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![Representation of depth](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-4.jpg)
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![Blue Whale dives maximum to 100 meters . It is the largest animal on the Earth.](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-5.jpg)
Blue Whale dives maximum to 100 meters . It is the
largest animal on the Earth.
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![This is the height of the Ostankino Tower.](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-6.jpg)
This is the height of the Ostankino Tower.
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![The light does not penetrate to a depth below 1,000 meters.](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-7.jpg)
The light does not penetrate to a depth below 1,000 meters.
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![The inhabitants are blind and very old. Water temperature is + 2 °C.](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-8.jpg)
The inhabitants are blind and very old. Water temperature is +
2 °C.
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![Pressure is greater in 1100 times, than on earth, but life exists on this depth.](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-9.jpg)
Pressure is greater in 1100 times, than on earth, but life
exists on this depth.
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![The airplane is flying at this height.](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-10.jpg)
The airplane is flying at this height.
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![If you look at the level of the ocean, the](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-11.jpg)
If you look at the level of the ocean, the Mariana
Trench is located farther than Mount Everest. The only person who sunk to this depth was Don Walsh (1960).
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![Researchers have found life in the depths of the Mariana](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-12.jpg)
Researchers have found life in the depths of the Mariana Trench.
The inhabitants look terrible - octopus-mutant, unusual sea stars and creature a two-meter length.
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![Examples of animals](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-13.jpg)
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-14.jpg)
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-15.jpg)
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-16.jpg)
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-17.jpg)
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-18.jpg)
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-19.jpg)
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-20.jpg)
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![Still scientists do not know what is on the depth](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/18470/slide-21.jpg)
Still scientists do not know what is on the depth of
the Mariana Trench.
They are afraid of monsters and do not understand how they can live? Until this remains a mystery!