The Deepest Human-Made Hole on Earth | Mysteries of the Abandoned | Science Channel Science Channel 10:17 2 months ago 25 599 Скачать Далее
Why Is China Drilling One of the World’s Deepest Holes? New Nature 18:50 6 months ago 1 909 705 Скачать Далее
The Deepest Hole in the World, And What We've Learned From It SciShow 4:01 10 years ago 11 962 244 Скачать Далее
What did the Soviets discover in the Kola Superdeep well at a depth of 12,262 meters? ReYOUniverse 20:46 2 years ago 3 069 248 Скачать Далее
The deepest hole we have ever dug | The Kola Superdeep Borehole One Minute Explore 8:12 3 years ago 329 038 Скачать Далее
How Deep is the Deepest Human-made Hole on Earth? MOST Interesting! 0:23 2 days ago 635 Скачать Далее
What's the deepest hole anyone has ever dug? Mystery Science 7:20 2 years ago 8 326 669 Скачать Далее
Watch A Camera Drop Into A Hole Beneath Antarctica IFLScience 0:35 1 year ago 45 624 762 Скачать Далее
Kola Superdeep Borehole: The Deepest Hole Ever Made Megaprojects 15:28 4 years ago 1 183 665 Скачать Далее