This cave in Ningwu county, Shanxi, with a history of over three million years, provides remarkable spectacle of icicles, icefalls and ice stalagmites to visitors. It is called “Wanniandong” in Chinese, or “10,000-year cave”. Curiously, there is a dormant volcano just 200 meters away from the ice cave, which the locals refer to as “millennium volcano”.
Photo sources: people.cn, Xinhua/Zhan Yan
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