Sinkholes: Swalled Alive takes a look at one of the most destructive natural phenomena known to man. All over the world sinkholes are causing chaos and destruction wherever they appear: swallowing up whole streets, ripping up motorways, ...See moreSinkholes: Swalled Alive takes a look at one of the most destructive natural phenomena known to man. All over the world sinkholes are causing chaos and destruction wherever they appear: swallowing up whole streets, ripping up motorways, destroying entire forests and even dragging unfortunate bystanders to their untimely deaths.
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