Tourists visit the old town of Lijiang, southwest China's Yunnan Province, Sept. 23, 2013. Lijiang is renowned for its 800-year-old townlet that has been listed as the world cultural heritage by the UNESCO. [Xinhua]

Tourists visit the old town of Lijiang, southwest China's Yunnan Province, Sept. 23, 2013. Lijiang is renowned for its 800-year-old townlet that has been listed as the world cultural heritage by the UNESCO. [Xinhua]

Tourists visit the old town of Lijiang, southwest China's Yunnan Province, Sept. 23, 2013. Lijiang is renowned for its 800-year-old townlet that has been listed as the world cultural heritage by the UNESCO. [Xinhua]

Tourists visit the old town of Lijiang, southwest China's Yunnan Province, Sept. 23, 2013. Lijiang is renowned for its 800-year-old townlet that has been listed as the world cultural heritage by the UNESCO. [Xinhua]

Tourists visit shops at the old town of Lijiang, southwest China's Yunnan Province, Sept. 23, 2013. Lijiang is renowned for its 800-year-old townlet that has been listed as the world cultural heritage by the UNESCO. [Xinhua]

Tourists visit the old town of Lijiang, southwest China's Yunnan Province, Sept. 23, 2013. Lijiang is renowned for its 800-year-old townlet that has been listed as the world cultural heritage by the UNESCO. [Xinhua]

Tourists visit a shop at the old town of Lijiang, southwest China's Yunnan Province, Sept. 23, 2013. Lijiang is renowned for its 800-year-old townlet that has been listed as the world cultural heritage by the UNESCO. [Xinhua]

Tourists visit the old town of Lijiang, southwest China's Yunnan Province, Sept. 23, 2013. Lijiang is renowned for its 800-year-old townlet that has been listed as the world cultural heritage by the UNESCO. [Xinhua]