China's Changde boasts great area of wetlandsBook of Xi's Discourses on SciPeng Liyuan, Spouses of Central Asian Leaders Visit Historic TheaterChangbai Mountain launches serial summer eventsView of Zhalong National Nature Reserve in northeast ChinaMigrating grey cranes fly to national wetland park in SW China's Yunnan to overwinterChina's air passenger trips to reach 9 million during May Day holidayXi Calls on National Art Museum of China to Build Worldwide PrestigeXi Sends Congratulatory Letter to Forum on Development of TibetXi Holds Talks with Tajik President