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Sinkholes around the world, manmade and natural, show what happens when earth opens up
INSIDER via Yahoo News· 1 year agoA vehicle is pulled out of a sinkhole in Villa Nueva, Guatemela, on September 25.Luis...
How Sinkholes Work
HowStuffWorks via Yahoo News· 6 months agoWe tend to think of the ground beneath our feet as terra firma, but sometimes it's as stable as a house of cards. What happens when the Earth opens up to...