Dressed as Spiderman, Alfie Morrison, 4, poses on Argentine artist Leonardo Erlich's optical illusion...
Dressed as Spiderman, Alfie Morrison, 4, poses on Argentine artist Leonardo Erlich's optical illusion installation "Dalston House" in east London June 26, 2013. The artwork, commissioned by the Barbican Gallery, uses mirrors to create the impression of a house on which people can play and pose for visual effect. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT SOCIETY)