I had never heard of Mponeng Gold Mine. Terrifying.
Did you not scroll over to see the even more massive Kola Superdeep Borehole?
Yes, but there aren't any people in that one.
> 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