People gather & recovery crews work at a gas explosion site in Qingdao, east China's Shandong Province, May 19, 2015. At least two people were confirmed dead and over 10 others were injured after a gas explosion occurred at Xizhong Chain Hotel in Qingdao early Tuesday morning. (Xinhua)
A technician prepares to fly a drones to spray insecticide at the Wenjiazhuang Village in Shijiazhuang, north China's Hebei Province, May 19, 2015. One insecticide spraying drones can cover 15 to 20 hectres of wheat field in eight hours, significantly saving costs compared with traditional methods. (Xinhua/Wang Xiao)
Drones fly over a wheat field to spray insecticide at Wenjiazhuang Village in Shijiazhuang, north China's Hebei Province, May 19, 2015. One insecticide spraying drones can cover 15 to 20 hectres of wheat field in eight hours, significantly saving costs compared with traditional methods. (Xinhua/Wang Xiao)