LONDON, ENGLAND - JULY 31:  Employee Tilly Shiner looks at a book in the aMAZEme labyrinth at The Southbank Centre on July 31, 2012 in London, England. Brazilian artists Marcos Saboya and Gualter Pupo used 250,000 books to create the maze which will be on display until August 25, 2012.  (Photo by Peter Macdiarmid/Getty Images)