来自MSN7 天
Kola Superdeep Borehole: The Deepest Hole Ever Made
The Kola Superdeep Borehole, dug during the Cold War, remains the deepest hole ever made by humanity. In this video, we ...
Organically Human on MSN16 天
Earth's Deepest Hole: The End of an Era
Soviet scientists embarked on an ambitious quest to dig into the Earth's crust, creating the world-renowned Kola Superdeep Borehole in the remote Murmansk Oblast, Russia. Stretching 12,262 meters (40, ...
The Sun17 天
Earth’s most terrifying holes from 40,000ft Soviet ‘well to hell’ to Mexico’s ...
The official name for the so-called "well to hell" is the Kola Superdeep Borehole SG-3 – but that's not as catchy. It's currently the deepest man-made hole on Earth, reaching a dizzying 40,230 ...