The Olympic stadium of London 2012 is the heart of the Olympian Park, Olympian core of the Games of 2012. Sustainable building, with an environmental low impact, since it was constructed partially by metal recycled from weapon confiscated by the polícía of London. This stadium will have a capacity for 80.000 spectators, 55.000 of them cu7ales they are located in temporary and light steps of steel and I make concrete that will be eliminated on having finished the event. The stadium will continue being of public property and conveertirá in a space for sports, cultural and community events.