Stunning fog passes through China's famed Tianmen Cave
Fog passes through the Tianmen Cave tourist attraction in southern China.
The clip, shot in Zhangjiajie City in Hunan Province on April 21, shows the lingering fog flowing through the 131.5-metre-high, 57-metre-wide and 60-metre-deep cave, which lies between two mountains.
The rare phenomenon appeared after rain, local media said.