沂源溶洞

Yíyuán Róng Dòng - Yiyuan Rong Dong

Location:	Tumen Town, Yiyuan County. (36.264330, 118.072611)
Open:	All year daily 8-18. [2021]
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Classification:	Karst cave Ordovician limestone
Light:	Incandescent Electric Light System Coloured Light
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Address:	Yiyuan Rong Dong, Tumen Town, Yiyuan County, Zibo, Tel: +86-533-368-2888.
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沂源溶洞 (Yiyuan Rong Dong, Yiyuan Cave) is famous for so-called natural stone flowers, which actually means cave lakes with calcite crstals.