Foggy Cave (Lava Tunnel)

Foggy Cave is the remains of one collapsed lava tunnel. It is 6 m high, 18 m wide and 200 m long, with an oval-shaped entrance. The wet air is liquefied that forms fog near the entrance because the temperature is low and the air is humid in the cave. Because of the fog, gorgeous rainbow often occurs in the sunlight. More interestingly, the fog will disappear when visitors step in, and appear when they step out. Can you tell the reason for it?
地址: 牡丹江市景福街70号    电话: 0453-6996711    传真: 0453-6270037
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