Bathing in water is such old school.
Each of the different pools has different health benefits, so they say.
A 3.6 m wine bottle lies by the side of an outdoor pool filled with red wine.
While soaking in wine, bathers also enjoy a drink or two.
Green tea contains antioxidants called catechins that protect cells and keep skin looking younger.
Photo credit: Getty Images
Sources:Hakone Kowakien Yunessun/BBC
