Residents observe the water of Ulansuhai Nur in Bayannur, north China's Inner Mongolia autonomous region, July 13, 2012. Ulansuhai Nur locates at Urad Front Banner of Bayannor is not only one of the eight biggest freshwater lakes in China, but also a wetland and a reserve with a rich diversity of creatures, which attracted orldwide attention in recent years. [Photo/Xinhua]