China's air passenger trips to reach 9 million during May Day holidayTourists enjoy boat rides in Pingshan canyon in C China's HubeiSouth China tourist city all set for art festivalChina's air passenger trips to reach 9 million during May Day holidayIn pics: Harbin, wetland paradise in NE ChinaXi Story: Gaining a Deeper Understanding of Chinese Civilization at Yin RuinsXi Calls for Enhancing AllTulips make rural economy flourish in E China's villageOutbound tourism on the road to recoveryXi Sends Congratulatory Letter to Forum on Development of Tibet