Swans are seen at the Swan Lake in Rongcheng national swan nature reserve in Rongcheng city, East China’s Shandong province, Dec 10, 2017.[Photo/Xinhua]
Photo taken on Dec 10, 2017 shows swans at the Swan Lake in Rongcheng national swan nature reserve in Rongcheng city, East China’s Shandong province.[Photo/Xinhua]
Photo taken on Dec 10, 2017 shows swans at the Swan Lake in Rongcheng national swan nature reserve in Rongcheng city, East China’s Shandong province.[Photo/Xinhua]
Photo taken on Dec 10, 2017 shows swans at the Swan Lake in Rongcheng national swan nature reserve in Rongcheng city, East China’s Shandong province.[Photo/Xinhua]
A swan swims on the Swan Lake in Rongcheng national swan nature reserve in Rongcheng city, East China’s Shandong province, Dec 10, 2017. [Photo/Xinhua]
