With an area of 15,558 m, it hosted 3,500 chess fans.
The side room is similar in its features but has an area of 75.5m (790 ft).
The clusters are distributed over an area of 500 m in diameter.
The company has an area of 16,000m including production facilities of 10,000 m.
The apron currently has an area of 71,992 m while the parking lot is available for 500 cars.
The hospital now covers an area of 73,188m and has 178,687m of buildings.
It covers an area of 10 million m to accommodate 200,000 residents.
An area of 148 m was excavated in 1998.
It had an area of 49,654m and in its lifetime saw 316 million passengers pass through its doors.
The largest covers an area of 9.25m x 3.22m, and comprises 53 holes.