A sinkhole underneath someone’s driveway revealed a cave system.

[Justdroppedin]

https://i.redd.it/kfnxesyzfso51.jpg

[nobodyspecial]

Turns out there was an old mine there

https://www.boredpanda.com/sinkhole-south-dakota-black-hawk-old-gypsum-mine/?utm_source=google&utm_medium=organic&utm_campaign=organic

[dishuser]

probably didn't help having the weeper drain there...lol
reminds me when I was a kid and neighbour disappeared while mowing the front lawn :tehe: