One skincare maker writes proudly in English on the label of its products: "Natural mud from Boryeong is helpful in calming, smoothing and water balancing."

一家护肤品生产商还自豪地在其产品标签上注上了英文说明：“保宁天然泥具有舒缓肌肤、保持肌肤嫩滑和水平衡之功效。”

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The magnificently situated Rancho las Hamacas in San Jacinto, northwest Nicaragua, overlooks the natural bubbling mud pools of Hervideros de San Jacinto, where you can camp for the night before climbing the smoking Volcano Telica, one of the country's 12 fumingly active Maribios volcanoes.

BBC: Camping through Mexico and Central America