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earth and space sinkholes


Sinkholes by Caitlyn, Meredith and Margi

Southeast Minnesota is the sinkhole capital of the U.S.A. These strange holes in the ground are all over the place. Some have been here for as long as we can remember and some seem to pop up overnight. But we wanted to know, how do these sinkholes form? more...
the showgirls in sinkholebody and brainearth and spaceliving thingsmatter and motiontechnology and invention


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