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Huge, Devastating Sinkholes From Around The Globe

CBS-- Take a look at this photo gallery, courtesy of CBSNEWS of huge sinkholes from around the globe. Sinkholes occurs due to erosion beneath the surface, as when sand falls into underlying cavities, causing the surface to collapse. Flooding and heavy rain, excessive water pumping, water main breaks, earthquakes and construction can all contribute to sinkholes. (Captions courtesy of CBSNEWS)

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