A dense fog veiled China's Beihuangcheng island. This phenomenon is called advection fog and occurs when warm air moves over a cold ground, which cools it to saturation.
원문출처 : https://www.cnn.com/videos/world/2021/06/04/china-fog-island-lon-orig-na.cnn
원문출처 : https://www.cnn.com/videos/world/2021/06/04/china-fog-island-lon-orig-na.cnn