Why do cloud icebergs freeze?

Cloud icebergs will freeze, which is the geographical location of leeward depressions. According to relevant information, it is located in a leeward depression with high humidity all the year round. The cold air in the north turns to the south at the cloud iceberg, and the cold and hot air flows in the north and south alternately form a large number of water mist, which creates conditions for the formation of ice hanging. Due to the freezing rain, snow and ice, the mountain road is seriously frozen in Yunbingshan Scenic Area in Lanshan County, with an average elevation of 1.200 meters.