Sinkholes: Costly, sometimes deadly

The kind of sinkhole that suddenly opened up under a Florida home is more common than you might think. Let's take a look at what causes them, where they happen and just how dangerous and costly they can be:



via CNN.com - Top Stories http://edition.cnn.com/2013/03/01/us/florida-sinkhole-explainer/index.html?eref=edition