Since February 11, 2017, after comprehensive transformation and upgrade, Peak Beauty Air Corridor at Floor 5 of “Bird’s Nest” has been open to visitors. The current transformation interlinks south roofing and north roofing. The original 230-meter air corridor for sightseeing, has been upgraded to be new tourist route with overall length of about 1,000 meters. All visitors can either overlook “Water Cube” and Central Area Of Beijing Olympic Games, or get a bird's-eye view for Beijing’s central axis. At present, “Bird’s Nest” is busy developing Olympic Culture Tour Project on Floor 1. Floor 2 will also turn a new look to be a tourist space with interactive characteristics.