Green Dream Park promotes low-carbon lifestyle

A visitor poses for photos in front of the transformer, made of recycled materials, with mascots of the Green Dream Park, which opened on Friday in Beijing, July 16, 2010. Located near Bird's Nest, China's National Stadium, the park features waste material robots, paper buildings and crafts, and other environmentally friendly items to promote a low-carbon lifestyle. [Photo/CFP]

A musical band of robots, made of used materials, stand by the transformer at the Green Dream Park near Bird's Nest, China's National Stadium, July 16, 2010. [Photo/CFP]