A young man who lost his legs in the earthquake five years ago mourns for victims of the quake in front of a monument in Beichuan, Southwest China's Sichuan Province, May 12, 2013. Mourners gathered on Sunday in Beichuan, one of the worst hit regions in the Wenchuan Earthquake, to mark the fifth anniversary of the deadly earthquake on May 12, 2008 in which more than 80,000 people were killed or missing. (Xinhua/Xue Yubin)

A woman mourns for victims of the quake in Beichuan, Southwest China's Sichuan Province, May 12, 2013. Mourners gathered on Sunday in Beichuan, one of the worst hit regions in the Wenchuan Earthquake, to mark the fifth anniversary of the deadly earthquake on May 12, 2008 in which more than 80,000 people were killed or missing. (Xinhua/Xue Yubin)

A woman mourns for victims of the quake in Beichuan, Southwest China's Sichuan Province, May 12, 2013. Mourners gathered on Sunday in Beichuan, one of the worst hit regions in the Wenchuan Earthquake, to mark the fifth anniversary of the deadly earthquake on May 12, 2008 in which more than 80,000 people were killed or missing. (Xinhua/Xue Yubin)

A flower is put among ruins created by the quake in Beichuan, Southwest China's Sichuan Province, May 12, 2013. Mourners gathered on Sunday in Beichuan, one of the worst hit regions in the Wenchuan Earthquake, to mark the fifth anniversary of the deadly earthquake on May 12, 2008 in which more than 80,000 people were killed or missing. (Xinhua/Xue Yubin)

A young man who lost his legs in the earthquake five years ago mourns for victims of the quake in front of a monument in Beichuan, Southwest China's Sichuan Province, May 12, 2013. Mourners gathered on Sunday in Beichuan, one of the worst hit regions in the Wenchuan Earthquake, to mark the fifth anniversary of the deadly earthquake on May 12, 2008 in which more than 80,000 people were killed or missing. (Xinhua/Xue Yubin)

People visit the Wenchuan earthquake memorial hall in Beichuan, Southwest China's Sichuan Province, May 12, 2013. Mourners gathered on Sunday in Beichuan, one of the worst hit regions in the Wenchuan Earthquake, to mark the fifth anniversary of the deadly earthquake on May 12, 2008 in which more than 80,000 people were killed or missing. (Xinhua/Xue Yubin)

People visit the Wenchuan earthquake memorial hall in Beichuan, Southwest China's Sichuan Province, May 12, 2013. Mourners gathered on Sunday in Beichuan, one of the worst hit regions in the Wenchuan Earthquake, to mark the fifth anniversary of the deadly earthquake on May 12, 2008 in which more than 80,000 people were killed or missing. (Xinhua/Xue Yubin)

People visit the Wenchuan earthquake memorial hall in Beichuan, Southwest China's Sichuan Province, May 12, 2013. Mourners gathered on Sunday in Beichuan, one of the worst hit regions in the Wenchuan Earthquake, to mark the fifth anniversary of the deadly earthquake on May 12, 2008 in which more than 80,000 people were killed or missing. (Xinhua/Xue Yubin)

A visitor takes pictures at the Wenchuan earthquake memorial hall in Beichuan, Southwest China's Sichuan Province, May 12, 2013. Mourners gathered on Sunday in Beichuan, one of the worst hit regions in the Wenchuan Earthquake, to mark the fifth anniversary of the deadly earthquake on May 12, 2008 in which more than 80,000 people were killed or missing. (Xinhua/Xue Yubin)