https://www.youtube.com/watch?v=KfsiV1rxNnY
>>36688
have an actual /news/link you lazy bastard
http://news.discovery.com/earth/pond-sinkhole-in-china-swallows-25-tons-of-fish-160331.htm
That remind me of that one time in 1980 where a drilling company was drilling at the bottom of a lake in the USA and drilled through the top of a salt mine shaft.
>>36688
Yep, sinkholes.
Basically, salinated waters cause dissolution to the carbonate rocks below. Below that are caves, already carved from rainwater. When the erosion meets the cave wall is causes a sink hole.
>>36688
Still not as deep as your mom's vagina.
>>36734
Damn, I'm calling this the rekt of the day