Introduction to the Olympic Main Stadium: The Olympic Stadium (Olympic Stadium) is located in the "Island Area" in the south of the Olympic Park, surrounded by water on three sides. Spectators will enter the main stadium through five bridges connecting the island area with the surrounding areas. There are 25,000 permanent seats on the lower floors of the stadium, while the upper floors made of lightweight steel and concrete have temporary stands that can accommodate 55,000 spectators. During the Olympic Games, a total of 80,000 spectators can be accommodated. The stepped area around the stadium includes athlete locker rooms, medical support facilities, an 80-meter warm-up track, spectator service areas, rest areas, souvenir supermarkets and other supporting facilities.
As the main stadium for the 2012 London Olympics, the Olympic Stadium is a model of energy-saving construction. Compared with other stadiums of the same size, the stadium uses 75% less steel, and the low-carbon concrete used in its construction It is made of industrial waste and has a carbon content that is 40% lower than that of ordinary cement. The top ring of the stadium is made of remaining gas pipes. The entire stadium visibly implements the 2012 London Olympics' declaration of promoting sustainable development through "reduce, reuse and recycle".