Tourists walk in Lijiang, southwest China's Yunnan Province, on July 27, 2009. Lijiang received 3.44 million tourists in the first half of 2009, earning a tourism income of 3.88 billion RMB yuan (568 million U.S. dollars). Lijiang with an 800-year history was listed by the UNESCO in 1997 as a world cultural heritage site. [Xinhua/Lin Yiguang]