Florida sinkhole

[lenny]

Not sure if this has been discussed but wow. I heard the story when it happened and now just started to learn of some of the details. This is a spooky sort of disaster.

http://www.cnn.com/2013/03/04/us/florida-sinkhole

 

[yoopermike]

Google karst topography. We have some here in the U.P. also, just not as prevalent as what's down south.