Rescue workers carrying medicines step off a front loader upon arriving at a quake zone at Longtoushan, Dudian county, in Zhaotong, Yunnan province, August 5, 2014 (Photo: Reuters)

Rescuers move away the tools from the rubbles as they search for survivors following a massive earthquake in the town of Longtoushan in Ludian County in southwest China's Yunnan Province Tuesday, Aug. 5, 2014 (Photo: AP)

Rescuers try to retrieve a trapped victim's body from a collapsed house following a massive earthquake in the town of Longtoushan in Ludian County in southwest China's Yunnan Province Tuesday, Aug. 5, 2014 (Photo: AP)

A rescuer walks past paramilitary policemen searching for survivors at a destroyed house following a massive earthquake in the town of Longtoushan in Ludian County in southwest China's Yunnan Province Tuesday, Aug. 5, 2014 (Photo: AP)

Rescue workers try to help a driver out of his car, after the vehicle was stuck over an alley in Wenzhou, Zhejiang province, August 4, 2014 (Photo: Reuters)

Rescuers carry a victim's body to a stretcher near a destroyed house following a massive earthquake in the town of Longtoushan in Ludian County in southwest China's Yunnan Province Tuesday, Aug. 5, 2014 (Photo: AP)

A man walks past a destroyed house following a massive earthquake in the town of Longtoushan in Ludian County in southwest China's Yunnan Province Tuesday, Aug. 5, 2014 (Photo: AP)

This aerial photo shows buildings toppled down by a 6.5-magnitude earthquake at the quake's epicenter in the town of Longtoushan in Ludian County of Zhaotong, southwest China's Yunnan Province, Monday, Aug. 4, 2014 (Photo: AP)

Rescuers and local residents look at destroyed houses collapsed by Sunday's earthquake in Ludian County of Zhaotong City in southwest China's Yunnan Province, Monday, Aug. 4, 2014 (Photo: AP)