Woman enjoying the hot waters of the Kurokawa onsen, public spa, Kyushu, Japan, Asia

Woman enjoying the hot waters of the Kurokawa onsen, public spa, Kyushu, Japan, Asia

Kurokawa onsen, public spa, Kyushu, Japan, Asia

Woman enjoying the hot waters of the Kurokawa onsen, public spa, Kyushu, Japan, Asia

Hot pool in the Kurokawa onsen, public spa, Kyushu, Japan, Asia

Hot water so eggs can boil, Kurokawa Onsen, public spa, Kyushu, Japan, Asia

Woman enjoying the hot waters of the Kurokawa Onsen, public spa, Kyushu, Japan, Asia

Woman enjoying the hot waters of the Kurokawa Onsen, public spa, Kyushu, Japan, Asia

Hot pool in the Kurokawa Onsen, public spa, Kyushu, Japan, Asia

Japanese hot spring

Thermal spring in Saturnia with sulphur-containing water of the Monte Amiata Manciano Toskana Italien

Aerial view, Wehofen, Niederrhein-Therme public pool, sauna, leisure centre, bathing, Marxloh, Duisburg, Ruhrgebiet region, North Rhine-Westphalia, Germany, Europe