Telephone complaints lava tunnels Mudanjiang City Tourism complaints Tel 0453 -6821997 Heilongjiang Provincial Tourism complaints Tel 0451 -87,010,055 National Tourism complaints Tel :010-65275315 About 13 km south-east of the underground forest, there are several domestic rare "lava tunnel" to Jingpohu Adds a layer of mystery. According to the scientists speculate, "lava tunnel" dating back 4000-8000 years ago when a volcanic eruption, which look a lot like Guilin karst limestone region, "cave", but there are essential differences with the cave.
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Lava Tunnel That tunnel underground lava lava cave, also known as the lava river. Means the lava inside the narrow cave. When a volcano waterfall hair, raging hot lowlands Pentium lava flows down the river valley, which cemented the crusty surface to cool, and the internal temperature is still in the fluid state, the formation of underground lava river, when the magma source depleted, then the lava flow inside the left huge underground voids, or "lava tunnel." About 30 kilometers west Ning'an, Heilongjiang Province, China Jingpohu northwest, there are several domestic rare "lava tunnel." According to the scientists speculate, "lava tunnel" is dating back 4000 - 8000 years ago when a volcanic eruption, which look a lot like Guilin karst limestone region, "cave", but there are essential differences with the cave. Tens of meters short of the lava tunnels have been found in more than 500 meters long, usually more than five meters wide, 3 meters high. Arched tunnel roof, the inner surface is all black and purple, as coated "glaze" Top clouds sagging lava dripping milk. The formation of a variety of fantasy, like artificial carving, exquisite designs, the distribution order. You can still see the tunnel upright pillars and natural stone bed, stone and so on.