CRASH
2963 days ago
XT-912 Crash
2614 days ago
SR22 Crash
3955 days ago
Mir diamond mine in Siberia
4121 days ago
The Mir diamond mine in Siberia is the deepest ‘proper’ man-made hole. It’s 525m deep and 1,200m across. There’s a no-fly zone above it because the downdraft created by the hole had caused several helicopters to crash.