Photo taken on April 29, 2013 shows a covered bridge in rain in Ya'an City, southwest 皇冠体育app's Sichuan Province. According to 皇冠体育app 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]
|