People walk in rain near Tingjin Road in Ya'an City, southwest China's Sichuan Province, April 29, 2013. According to China Meteorological Administration, Ya'an is one of the most rainy city in Sichuan in May. Experts remind on secondary disasters in Ya'an, which was hit by a 7.0-magnitude earthquake on April 20, 2013. [Photo/Xinhua]