Derweze, also known as the door to hell, is a 70 meter wide hole in the middle of the Karakum desert in Turkmenistan. The hole was formed in 1971 when a team of soviet geologists had their drilling rig collapse when they hit a cavern filled with natural gas. In an attempt to avoid poisonous discharge, they decided to burn it off, thinking that the gas would be depleted in only a few days. Derweze is still burning today

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"Jose Granell, model supervisor, unveils a model of Hogwarts castle at the Warner Bros Studio Tour, in Watford, London, on March 1, 2012. The Hogwarts castle model was built for the first film "Harry Potter and the Philosopher's Stone", it was created for aerial photography and was digitally scanned for CGI scenes. It took 86 artists and crew members to construct, it measures over 50 feet in diameter and has over 2,500 fiber optic lights. (AP Photo/Jonathan Short)"

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