I had never heard of Mponeng Gold Mine. Terrifying.

jadbox · 2026-07-03T20:02:31 1783108951

Did you not scroll over to see the even more massive Kola Superdeep Borehole?

troupo · 2026-07-03T20:20:51 1783110051

> even more massive Kola Superdeep Borehole?

Kola Superdeep Borehole is not massive. It's a small cylindrical hole in the ground: https://en.wikipedia.org/wiki/Kola_Superdeep_Borehole#/media...

Mponeng is a massive continuously commercially operating mine with 5k workers

lambdaone · 2026-07-03T20:12:47 1783109567

Yes, but there aren't any people in that one.