Soldiers recruited from various colleges hold a log during physical training in Nanjing, East China's Jiangsu province August 9, 2011. Recently, 138 recruits from colleges and universities all over the country came to Jiangsu Frontier Corps for military training in a bid to become qualified frontier guards. [Photo/Xinhua] 

A flash of lightning lights the sky in Beijing, August 9, 2011. [Photo/CFP]