Migratory whooper swans winter in SichuanChina's tourism market embraces robust recovery over May Day holidayChina sees 230 mln domestic tourist trips during May Day holidayChina's tourism sector embraces continuous recoveryChina sees 230 mln domestic tourist trips during May Day holidayScenery of Minjiang River estuary wetland in FuzhouCanada's tourism spending sharply down in 2020Animals eat Halloween pumpkins in Zoo Budapest and Botanical GardenScenery of Minjiang River estuary wetland in FuzhouSW China's Yunnan makes great efforts to protect wildlife species