Women of the Naxi ethnic group dance in the old town of Lijiang, southwest China's Yunnan Province, Nov. 10, 2013. Lijiang, which covers the title of World Cultural, Natural Heritage and Memory of the World Programme, has become a popular tourist attraction. (Xinhua/Lin Yiguang)

A sanitation worker clears garbages on the river in the old town of Lijiang, southwest China's Yunnan Province, Nov. 7, 2013. Lijiang, which covers the title of World Cultural, Natural Heritage and Memory of the World Programme, has become a popular tourist attraction. (Xinhua/Lin Yiguang)

Photo taken on Nov. 9, 2013, shows the scenery of the Lijiang old town, southwest China's Yunnan Province. Lijiang, which covers the title of World Cultural, Natural Heritage and Memory of the World Programme, has become a popular tourist attraction. (Xinhua/Lin Yiguang)

A tourist in a costume of the Naxi ethnic group poses for photos in the old town of Lijiang, southwest China's Yunnan Province, Nov. 10, 2013. Lijiang, which covers the title of World Cultural, Natural Heritage and Memory of the World Programme, has become a popular tourist attraction. (Xinhua/Lin Yiguang)Related:Actors present "Impression Lijiang" show in front of Yulong Snow MountainTourism becomes pillar industry in Lijiang

Men of the Naxi ethnic group prepare for the Dongba ancient dance in the Yushuizhai scenic area of the Lijiang old town, southwest China's Yunnan Province, Nov. 9, 2013. Lijiang, which covers the title of World Cultural, Natural Heritage and Memory of the World Programme, has become a popular tourist attraction. (Xinhua/Lin Yiguang)

People have breakfast in the old town of Lijiang, southwest China's Yunnan Province, Nov. 8, 2013. Lijiang, which covers the title of World Cultural, Natural Heritage and Memory of the World Programme, has become a popular tourist attraction. (Xinhua/Lin Yiguang)

People visit the old town of Lijiang, southwest China's Yunnan Province, Nov. 10, 2013. Lijiang, which covers the title of World Cultural, Natural Heritage and Memory of the World Programme, has become a popular tourist attraction. (Xinhua/Lin Yiguang)

A little girl is attracted by the traditional Dongba aeolian bells in the old town of Lijiang, southwest China's Yunnan Province, Nov. 10, 2013. Lijiang, which covers the title of World Cultural, Natural Heritage and Memory of the World Programme, has become a popular tourist attraction. (Xinhua/Lin Yiguang)

People visit the old town of Lijiang, southwest China's Yunnan Province, Nov. 10, 2013. Lijiang, which covers the title of World Cultural, Natural Heritage and Memory of the World Programme, has become a popular tourist attraction. (Xinhua/Lin Yiguang)