The Olympic Stadium, due to be the new home of English Premier League soccer team West Ham, is seen in this aerial photograph taken over London, U.K., on Tuesday, June 16, 2015. West Ham based in east London, agreed to sell its Boleyn Ground Football Stadium, also known as Upton Park, to developer Galliard Group as it prepares to move to the city's Olympic Stadium in 2016. Photographer: Matthew Lloyd/Bloomberg via Getty Images