Chinese police operate a quad rotor UAV (unmanned aerial vehicle) in quake-stricken Ludian, Yunnan province, Aug 4, 2014. A rescue team was sent to Ludian comprising six geologists and 56 experts specializing in hydrogeology and remote mapping. They took with them high-tech equipment including quad rotor UAVs. It was the first time police had deployed drones in quake relief. [Photo/Xinhua] |