TIL that an estimated of 22% of all gold ever accounted for on the earth's surface came from a single plateau in South Africa called Witwatersrand.

https://en.wikipedia.org/wiki/Witwatersrand

https://www.reddit.com/r/todayilearned/comments/15r0h8u/til_that_an_estimated_of_22_of_all_gold_ever/