Visitors send virtual flowers to victims at the Wenchuan Earthquake Memorial Hall in Beichuan county, Southwest China's Sichuan province on May 12，2013. About 15,000 people visited the memorial hall on May 12, the five-year anniversary of the magnitude-8.0 earthquake that jolted Sichuan in 2008. [Photo/Xinhua]

Some 15,000 people visited the Wenchuan Earthquake Memorial Hall in Beichuan county, Southwest China's Sichuan province on the fifth anniversary of the magnitude-8 quake on May 12，2013.[Photo/Xinhua]