Tourists take photos on a street in Lijiang, southwest China's Yunnan Province, on July 29, 2009. More than 3.4 million tourists visited Lijiang, located on the northwest tip of Yunnan, in the first half of 2009, increasing 26 percent from the same period of 2008. Lijiang with an 800-year history was listed by the UNESCO in 1997 as a world cultural heritage site. [Xinhua/Lin Yiguang]