A gardener resows green plants at a botanical garden of the World Horticultural Exposition in Qingdao, east China's Shandong Province, April 3, 2014. The trial run of 2014 Qingdao World Horticultural Exposition will begin at the Qingming Festival which falls on Saturday. (Xinhua/Li Ziheng)
Visitors enjoy themselves at a botanical garden of the World Horticultural Exposition in Qingdao, east China's Shandong Province, April 3, 2014. The trial run of 2014 Qingdao World Horticultural Exposition will begin at the Qingming Festival which falls on Saturday. (Xinhua/Li Ziheng)
