In this picture taken in Beijing Capital International Airport on Monday, a driverless "small train" runs on the railway of the automatic passenger delivery system, which connects several platforms in No.3 terminal building, enabling passengers to take the free train to change plane. The system is expected to be put in to operation in October.

A driverless "small train" runs on the railway of the automatic passenger delivery system in Beijing Capital International Airport.

The interior of the "small train" in Beijing Capital International Airport.

(CRIENGLISH.com, Xinhua News Agency June 26, 2007)