Photo taken on March 4, 2013 shows the landscape of the Shalin scenic area in Luliang County, southwest China's Yunnan Province. With various geological wonders, Shalin scenic area has long been a tourist attraction. (Xinhua/Chen Haining)

Tourists visit the Shalin scenic area in Luliang County, southwest China's Yunnan Province, March 4, 2013. With various geological wonders, Shalin scenic area has long been a tourist attraction. (Xinhua/Chen Haining)

Tourists visit the Shalin scenic area in Luliang County, southwest China's Yunnan Province, March 4, 2013. With various geological wonders, Shalin scenic area has long been a tourist attraction. (Xinhua/Chen Haining)

Tourists visit the Shalin scenic area in Luliang County, southwest China's Yunnan Province, March 4, 2013. With various geological wonders, Shalin scenic area has long been a tourist attraction. (Xinhua/Chen Haining)

Photo taken on March 4, 2013 shows the landscape of the Shalin scenic area in Luliang County, southwest China's Yunnan Province. With various geological wonders, Shalin scenic area has long been a tourist attraction. (Xinhua/Chen Haining)

A tourist visits the Shalin scenic area in Luliang County, southwest China's Yunnan Province, March 4, 2013. With various geological wonders, Shalin scenic area has long been a tourist attraction. (Xinhua/Chen Haining)