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245		4	_aThe Lost World of Lake Vostok
300			_aIt sometimes seems as if our planet has no secrets left - but deep beneath the great Antarctic ice sheet scientists have made an astonishing discovery. They’ve found one of the largest lakes in the world. It’s very existence defies belief. Scientists are desperate...
650			_xNature.
856			_uhttp://topdocumentaryfilms.com/the-lost-world-of-lake-vostok/
999			_c333671 _d333671