The T3 station of Beijing subway airport line. [Xinhua]?

The interior of a new train of Beijing subway line 10. [Xinhua]

The Olympic Green station of Olympic branch line. [Xinhua]

The interior of a new train of the airport line. [Xinhua]

Beijing unveiled three new subway lines including the airport line, line 10 and the Olympic branch line yesterday. The three lines will be put into use before the Olympic Games in August.

(China Daily January 16, 2008)