Special race held in Nanjing to mark Earth Hour (6/8)

A runner in spiderman's costume takes part in a running race in Nanjing, capital of east China's Jiangsu Province, March 29, 2014. A special race was held here on Saturday, in which participants wore only underwear so as to advocate the 2014 Earth Hour event and promote the concept of green lifestyle. (Xinhua/Shen Peng)