the.com/mine
A hole dug by greed, propped up by canaries, and remembered by ghosts.
deepest oneSouth Africa's Mponeng descends past 4 kilometers underground
canary alarmCaged birds detected deadly gas until 1986
oldest knownEswatini's Lion Cave mined ochre 43,000 years ago
word twistSame word means explosive trap and possession
city belowSome mines run hotter than 60 degrees Celsius