What's the deepest hole anyone has ever dug? Mystery Science 7:20 2 years ago 8 356 553 Скачать Далее
The deepest hole we have ever dug | The Kola Superdeep Borehole One Minute Explore 8:12 3 years ago 331 975 Скачать Далее
The Deepest Hole in the World, And What We've Learned From It SciShow 4:01 10 years ago 11 965 649 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 3 139 466 Скачать Далее
Incredible Animation Shows How Deep Humans Have Dug Insider Tech 2:54 6 years ago 4 349 949 Скачать Далее
Why Is China Drilling One of the World’s Deepest Holes? New Nature 18:50 6 months ago 1 929 167 Скачать Далее
What’s at the Bottom of the Deepest Hole on Earth? BE AMAZED 31:00 3 months ago 1 453 292 Скачать Далее
Kola Superdeep Borehole: The Deepest Hole Ever Made Megaprojects 15:28 4 years ago 1 185 198 Скачать Далее
"Something Terrible Climbed Out of the World's Deepest Hole" Off The Kirb Ministries 17:01 10 months ago 1 957 015 Скачать Далее
The Deepest Hole Ever Dug! Did You Know This? #DailyFacts Nonstop running 0:47 14 hours ago 1 011 Скачать Далее