Energy-saving LED lights installed in Expo Site

Workers walk past the Sun Valley of the Expo Axis equipped with LED lights in the 2010 World Expo Site in Shanghai, Feb 3, 2010. More than 80% of Shanghai World Expo Site is lit with energy-saving LED lights to highlight China's largest model district of solar cells application. Carbon dioxide emission is expected to drop by about 60% to 70% as electric, super capacitor and hydrogen vehicles are put into use as well during the expo, according to experts. [Xinhua]