29 session of Olympics games main conference hall,is located in the Beijing Olympics park,northmost part the Beijing city axle wire east side.Floor space 258,000 square meters,with area 204,000 square meters.In 2008 Olympic Games period,undertakes sports event activities and so on the opening ceremony,closing ceremony,track and field competition,male soccer finals,can hold the audience 100,000 people,in which attends a banquet temporarily 20,000