Photo taken on Nov. 12, 2013 shows the scenery of the Huashan Mountain, a famous tourist destination in northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Photo taken on Nov. 12, 2013 shows the scenery of the Huashan Mountain, a famous tourist destination in northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Photo taken on Nov. 12, 2013 shows the scenery of the Huashan Mountain, a famous tourist destination in northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Photo taken on Nov. 12, 2013 shows the scenery of the Huashan Mountain, a famous tourist destination in northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Photo taken on Nov. 12, 2013 shows the scenery of the Huashan Mountain, a famous tourist destination in northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Photo taken on Nov. 12, 2013 shows the scenery of the Huashan Mountain, a famous tourist destination in northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Photo taken on Nov. 12, 2013 shows the scenery of the Huashan Mountain, a famous tourist destination in northwest China's Shaanxi Province. (Xinhua/Tao Ming)