Alltrikes
Log in
Username or email
Password
Remember me
Register
Lost password
Activity
Pages
Photos
Videos
Groups
Events
Help
More
Bookmarks
Files
Members
The Market
Ed E.
@Eddie
Ed E.
Bookmarks
Files
Market posts
Pages
Photo Albums
Photos
Videos
All photos
All photo albums
Photos
Photo albums
Ed E.
Mir diamond mine in Siberia
Mir diamond mine in Siberia
Ed E.
@Eddie
By
Ed E.
4123 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.
Screen Shot 2013-...