Πέμπτη, 9 Φεβρουαρίου 2017

51 stunning photos of sinkholes around the world

Often preceded by heavy rains, the formations can cause destruction and in some cases cost lives.

Jan. 9, 2017 Workers inspect a sinkhole in Philadelphia. 
The city’s water department said a water main break caused 
the sinkhole to open up on the street. Matt Rourke/AP

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