People taking pictures in front of a flower structure featuring Beijing's Changping district in the Ninth China (Beijing) International Garden Expo, whcih is located to the west of the Yongding River.The expo covers an area of 513 hectares, including 267-hecare public exhibition area and 246-hectare Garden Expo Lake. The event will officially kick off on May 18, 2013 and last for six months. .[Photo/Crienglish.com]