Workers inspect a sinkhole in Philadelphia, Monday, Jan. 9, 2017. The Philadelphia Water Department said a water main break caused the sinkhole to open up on the street. (AP Photo/Matt Rourke)
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Workers inspect a sinkhole in Philadelphia, Monday, Jan. 9, 2017. The Philadelphia Water Department said a water main break caused the sinkhole to open up on the street. (AP Photo/Matt Rourke)
