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"European scientists have recently announced plans build the tallest, and second-largest structure ever created by man, second only to the Great Wall of China. Located over 3,000 feet ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/shareables/2011/12/16/worlds-tallest-manmade-structure-will-explain-the-origin-of-cosmic-rays/>