Rescuers open up landslide-blocked Damazhuang tunnel on 302 provincial road in Beichuan Qiang Autonomous County, southwest China's Sichuan Province, July 9, 2013. Downpours have submerged the quake-razed old town ruins of Beichuan, which was hit by an 8.0-magnitude earthquake in May 2008. (Xinhua)

Rescuers open up flooded-road near Shilibei tunnel on 302 provincial road in Beichuan Qiang Autonomous County, southwest China's Sichuan Province, July 9, 2013. Downpours have submerged the quake-razed old town ruins of Beichuan, which was hit by an 8.0-magnitude earthquake in May 2008. (Xinhua)

A building is flooded in rainstorm-hit Beichuan Qiang Autonomous County, southwest China's Sichuan Province, July 9, 2013. Downpours have submerged the quake-razed old town ruins of Beichuan, which was hit by an 8.0-magnitude earthquake in May 2008. (Xinhua)

Communication emergency workers walk into rainstorm-hit Beichuan Qiang Autonomous County, southwest China's Sichuan Province, July 9, 2013. Downpours have submerged the quake-razed old town ruins of Beichuan, which was hit by an 8.0-magnitude earthquake in May 2008. (Xinhua)

Buildings are flooded in rainstorm-hit Beichuan Qiang Autonomous County, southwest China's Sichuan Province, July 9, 2013. Downpours have submerged the quake-razed old town ruins of Beichuan, which was hit by an 8.0-magnitude earthquake in May 2008. (Xinhua)