A worker replaces the lithium battery units for a bus at a recharge station at the Dreamworld (the Olympic Village) in Beijing on July 6, 2008. During the games, 50 lithium battery-powered buses will shuttle athletes and officials between the Dreamworld and competition venues. The zero emission, low noise and environmentally friendly bus matches well the theme of a Green Olympics. [Xinhua]

(Xinhua News Agency July 8, 2008)