10 World's Biggest And Most Amazing Holes

Monticello-Dam, More after the break...

big-hole-kimberley

big-hole-udachnaya-pipe

Bingham-Canyon-Mine

chuquicamata-copper-mine-chile

Darvaza-Gas-Crater

Diavik-Mine

Great-Blue-Hole

guatemala-sink-hole

Mirny-Diamond-Mine

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