Xi Sends Congratulatory Letter on 50th Anniversary of Cooperation Between China, WIPOChina sees 230 mln domestic tourist trips during May Day holidayWild animals frequently spotted along a river valley in Tibet, indicating improving biodiversityHulunbuir takes various measures to boost local tourism marketWild animals frequently spotted along a river valley in Tibet, indicating improving biodiversityTraditional villages with local characteristics built to develop rural tourism in HebeiSparkling night at Minyue water town in FuzhouMinjiang River estuary nature reserve in Fujian, SE ChinaScenery of Xiling Gorge amid the misty rainTraditional villages with local characteristics built to develop rural tourism in Hebei