LONDON, ENGLAND - MARCH 22:  Screen grabs of artists impression of how the stadium will look with West Ham playing their matches at the Olympic Stadium during the press conference to announce the future of the Olympic Stadium on March 22, 2013 in London, England. West Ham United have been announced as the main tenants of the Olympic Stadium, paying 15 million GBP upfront towards conversion costs and an annual rent of 2 million GBP.  West Ham will play their home matches at the Stadium from 2016.  (Photo by Tom Shaw/Getty Images)