World Wetlands Day: A glimpse of China's earth’s kidneysChina sees 230 mln domestic tourist trips during May Day holidayMigratory whooper swans winter in SichuanLotus flowers at West Lake of Hanoi, VietnamChinese President Calls for Int'l Data CooperationXi Sends Congratulatory Letter to General Assembly of Alliance for Cultural Heritage in AsiaXi Extends Congratulations to Yunnan University on Centenary AnniversaryScenery of Xiling Gorge amid the misty rainSnow scenery of Xuexiang National Forest Park in HeilongjiangCat cafe in Bydgoszcz, Poland