about 4 weeks or so
It takes about 2 years to build a stadium
Long JumpIt is taking place in the Olympic Stadium.
Bayern Munich didn't own the olympic stadium. They played in it from 1972 to 2005, but they didn't own it.
For the London Olympiad, the land preparation for the stadium began in mid-2007, (with the official construction start date on 22 May 2008) and construction took four years (to 2011) to complete.
Construction began in August 2006 and the first exhibition game was played at the new Yankee Stadium on April 3, 2009.