A woman looks on after a landslide triggered by heavy rainstorm hit Shanxi village of Zhongxing township in Dujiangyan, southwest China's Sichuan province on July 10, 2013. Between 30 and 40 people were buried by a landslide in southwest China on Wednesday, local officials said, as heavy rains in the area also destroyed homes and bridges. (Photo by AFP Photo)

A bridge is collapsed after being hit by sweeping floods in Jiangyou, Sichuan province, July 9, 2013. (Photo by Reuters/Stringer)

Firefighters use a rope to help a woman (C) walk across floodwaters after heavy rainfalls hit Dujiangyan, Sichuan province July 9, 2013. At least one person died and 15 others were missing in southwest China's Sichuan Province as of Tuesday evening after severe rainstorms battered the region, including some quake-stricken areas, Xinhua News Agency reported. (Photo by Reuters/China Daily)

Residents are evacuated through a flooded street by an excavator in Guanghan city in southwestern China's Sichuan province Tuesday July 9, 2013. (Photo by AP Photo)

This picture taken on July 9, 2013 shows heavy flood waters sweeping through Beichuan in southwest China´s Sichuan province. Rainstorms sweeping across parts of China have affected millions, causing landslides and disabling transportation in provinces such as Sichuan and Yunnan, state media reported. (Photo by AFP Photo)

A policeman carries a man on his back as he walks on a flooded street after heavy rainfalls hit Chengdu, Sichuan province, July 9, 2013. (Photo by Reuters/China Daily)

This picture taken on July 7, 2013 shows people walking through a flooded street in Wuhan, central China's Hubei province after a heavy storm. A strong storm hit Wuhan on July 6 and July 7, paralysing transport in multiple places, local media reported. (Photo by AFP Photo)

In this photo provided by China's Xinhua News Agency, a collapsed bridge over the Panjiang river is seen in Qinglian, Jiangyou city, southwest China's Sichuan Province, Tuesday, July 9, 2013. The official Xinhua News Agency said one sedan car, three minivans and one SUV fell into the torrent when the more than 40-year-old Qinglian bridge broke apart just before noon in the city. Three people were pulled from the raging river but six other remained missing following the bridge collapse Tuesday. (Photo by Li Qiaoqiao/AP Photo/Xinhua)

In this photo provided by China's Xinhua News Agency, a collapsed bridge over the Panjiang river is seen in Qinglian, Jiangyou city, southwest China's Sichuan Province, Tuesday, July 9, 2013. (Photo by Li Qiaoqiao/AP Photo/Xinhua)

Rescue workers pull a boat carrying villagers away from a flooded area in Guanghan, Sichuan province, July 11, 2013. (Photo by Reuters/China Daily)

Policemen hold the arms of residents as they walk on a flooded street after heavy rainfall hit Chengdu, Sichuan province, July 9, 2013. (Photo by Reuters/Stringer)

Flooding in western China, the worst in 50 years for some areas, has triggered a landslide that buried up to 40 people and destroyed a high-profile memorial to a devastating 2008 earthquake. (Photo by AP Photo)

A man walking on a flooded street holding his hands in Wuhan, central China's Hubei province after a heavy storm. (Photo by AFP Photo)

An excavator moves villagers away from a flooded area during heavy rainfall in Yingxiu, Wenchuan county, Sichuan province, July 10, 2013. More than 300 hundred people were evacuated in Yingxiu after roads connecting the township to the outside were cut off by floods and landslides. (Photo by Reuters/Stringer)