FILE: West Ham United Announced As Main Tennants Of Olympic Stadium

(FILE PHOTO) In this composite image a comparison has been made between the Boleyn Ground (L), the former home of West Ham United and London's Olympic Stadium, which is due to become the East London club's new home after they were confirmed as the venue's main tennants. Original image IDs are 119868333 (R) and 119885497. ***LEFT IMAGE*** LONDON, ENGLAND - JULY 26: An aerial view of the Boleyn Ground, home of West Ham United Football Club on July 26, 2011 in London, England. (Photo by Tom Shaw/Getty Images) ***RIGHT IMAGE*** LONDON, ENGLAND - JULY 26: Aerial view of the Olympic Stadium which will host the athletics events during the London 2012 Olympic Games on July 26, 2011 in London, England. (Photo by Tom Shaw/Getty Images)