Workers of Sichuan Road and Bridge (Group) and China Railway Group rush to repair the only road heading to Lingguan Township of Baoxing County, which was badly hit by the earthquake, in Lushan County of Ya'an City, southwest China's Sichuan Province, at the midnight of April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County on April 20 morning, seriously affecting the transportation from Lushan to Baoxing. (Xinhua/Luo Xiaoguang) 

Workers of Sichuan Road and Bridge (Group) and China Railway Group rush to repair the only road heading to Lingguan Township of Baoxing County, which was badly hit by the earthquake, in Lushan County of Ya'an City, southwest China's Sichuan Province, at the midnight of April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County on April 20 morning, seriously affecting the transportation from Lushan to Baoxing. (Xinhua/Luo Xiaoguang) 

Workers of Sichuan Road and Bridge (Group) and China Railway Group rush to repair the only road heading to Lingguan Township of Baoxing County, which was badly hit by the earthquake, in Lushan County of Ya'an City, southwest China's Sichuan Province, at the midnight of April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County on April 20 morning, seriously affecting the transportation from Lushan to Baoxing. (Xinhua/Luo Xiaoguang)

Workers of Sichuan Road and Bridge (Group) and China Railway Group rush to repair the only road heading to Lingguan Township of Baoxing County, which was badly hit by the earthquake, in Lushan County of Ya'an City, southwest China's Sichuan Province, at the midnight of April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County on April 20 morning, seriously affecting the transportation from Lushan to Baoxing. (Xinhua/Luo Xiaoguang)