RAPID RAIL: China's high-speed trains could run at 500 kmh by 2050 (NIU YIXIN)

Numbers:

500 kph

The speed at which China's high-speed trains are expected to run by 2050

38.6 Million

Total number of China's 3G mobile phone users by the end of October 2010

606 Meters

The height of a building under construction in Wuhan City, central China's Hubei Province, which is expected to be the third tallest in the world

1,200

The number of stores to which KFC plans to double its outlets in Africa