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https://www.youtube.com/watch?v=a2NFqXPZgq8 Anyone seen this before? Burning for around 35 years til now, and it is still going :eek:

http://abcnews.go.com/International/photos/incredible-sinkholes-world-18651806/image-corvettes-collapse-giant-sinkhole-22481216 A sinkhole, is a depression or hole in the ground caused by some form of collapse of the surface layer. It can either be caused by natural processes or human...