Bath Shower Home Design

Finnish cabinet ministers do it, Russian hockey players do it, Koreans do it on a first date. Social bathing—known as "naked communion" in Japan—is an integral part of several cultures, strengthening bonds between family members, colleagues, and heads of state. In many countries it's also considered the proper way to welcome a foreign guest. Whether sauna or sento, banya or hammam, the shared bath is society's great leveler, its group hug, its collective sigh. "Not sampling the local bathing culture would be like not trying the local cuisine," says Melisse Gelula, co-founder of Well&Good NYC, an online wellness guide . And like any other institution integral to a society, this one has its rules, the first of which is to behave with churchlike decorum. In Finland, the sauna is the church, says Joonas Berghäll, co-director of the Finnish documentary Steam of Life. (Statistics bear him out: With just over five million inhabitants, Finland has roughly...