
Wellcome Collection, London / CC BY 4.0
Oita · Kyushu
On the Shoningahama waterfront within Shonin Park, this seaside sand-bath facility lets visitors lie directly on the beach while attendants bury them in naturally geothermal-heated sand with Beppu Bay as the backdrop — the modern successor to the historic Beppu Kaihin Sunayu on the same site.
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Kinko Bay Ushine Road
Kagoshima