Red-billed gulls spend winter in Kunming (3/3)

People view red-billed gulls on Caohai Levee of Dianchi Lake in Kunming, capital of Southwest China's Yunnan province, Oct 28, 2013. Tens of thousands of red-billed gulls chose to spend winter in Kunming in recent years thanks to comfortable ecological environment in the city. [Photo/Xinhua]