The painted murals in theDunhuangGrottoes along the ancient SilkRoad in China form the world's longest painted corridor, with a total of 45,000 square metres of painted murals.
"Shopping centers are huge in China. Fifty-thousand square meters is considered a tiny shopping center, which anywhere else in the world is considered a pretty significant center."
VOA: standard.2010.07.06
We note that the two countries cited by McMillion, China and Brazil, typically have lower revenue per square foot figures.
The 22-story Park Hotel, the tallest building in China when it opened in 1934, looms over People's Square -- once the oval of the city's horse-racing track.