
Scenery of a karst landscape of E'xian Ridge in South China's Hainan Province. (Photo: China News Service/Ling Nan)
The ridge boasts the largest and most completely preserved karst tropical rain forest in Hainan.

The stalactites in the karst cave in South China's Hainan Province. (Photo: China News Service/Ling Nan)

The stalactites in the karst cave in South China's Hainan Province. (Photo: China News Service/Ling Nan)

The stalactites in the karst cave in South China's Hainan Province. (Photo: China News Service/Ling Nan)

The stalactites in the karst cave in South China's Hainan Province. (Photo: China News Service/Ling Nan)

The stalactites in the karst cave in South China's Hainan Province. (Photo: China News Service/Ling Nan)

The stalactites in the karst cave in South China's Hainan Province. (Photo: China News Service/Ling Nan)

Scenery of a karst landscape of E'xian Ridge in South China's Hainan Province. (Photo: China News Service/Ling Nan)