A Huge Diamond Mine That Helped Build The Soviet Union (2014) (http...
▻https://diasp.eu/p/5740936
A Huge Diamond Mine That Helped Build The Soviet Union (2014)
Hacker News Comments: ▻https://news.ycombinator.com/item?id=14743196
Source: ▻http://gizmodo.com/the-nearly-mile-wide-diamond-mine-that-helped-build-the-1593234924