Bildunterschrift:LONDON, ENGLAND - OCTOBER 15: London based artist Stephen Wiltshire puts the finishing touches to a drawing of the nearly completed 'Shard' site near Guy's Hospital, on October 15, 2010 in London, England. Stephen, who is autistic, completed the picture largely from memory having observed the site only briefly. The drawing will hang amongst others at the Hays Galleria as part of the 'Make Your Mark on the Future', a special 'Big Draw' weekend, launched by Mayor of London, Boris Johnson on October 22, 2010. (Photo by Dan Kitwood/Getty Images)
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