FILE - In this June 25, 2012 file photo, a truck hangs over the edge of a sinkhole that opened up in the parking lot of Hughes Relocation Services in Salt Springs, Fla. Tropical Storm Debby raked the Tampa Bay area with high wind and heavy rain Monday in a drenching that could top 2 feet over the next few days and trigger widespread flooding. (AP Photo/The Ocala Star-Banner, Alan Youngblood)
A man has disappeared after being swallowed up by a large sinkhole that opened under his bedroom in Seffner, Fla. The state is especially prone to sinkholes because underneath the ground is limestone, a porous rock that easily dissolves in water, sometimes forming a hole in the earth.
Here's a look at other sinkholes in Florida.
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