Yang Hongsheng (left) and Yang Zhensheng, two sons of Yang Anning in Mogou village of Zhouqu county, Gansu province, play with each other on Aug 2. Hongsheng, which means born after floods, was born on Aug 8, 2010, when a deadly mudslide hit the county. Zhensheng, which means born after an earthquake, came into the world on May 12, 2008, when an 8-magnitude quake shook Wenchuan, Sichuan province. Cao Zhizheng / for China Daily