A boy in Yangzhou of East China's Jiangsu province devours a piece of watermelon on August 6 in a community activity that honors an age-old folk tradition of embracing Liqiu, one of the 24 traditional Chinese solar terms that marks the beginning of autumn by eating watermelons. It is hoped that the a comfortable, cool fall will follow. [Photo by Meng Delong/Asianewsphoto]

Chinese armored forces advance during the Peace Mission-2013 China-Russia joint military drill in Chelyabinsk, Russia, Aug 6, 2013. The 20-day Peace Mission-2013 China-Russia joint military drill began in Chelyabinsk on July 27. [Photo/Xinhua]