Wouldn't be Finnish without a Sauna, and I reckon towels will very much be optional!! I've never know a Finn to wear a towel in a Sauna!! (Lived there for 12 months as an Exchange Student!! Still scarred from my first Sauna experience!! :0)
Come to think of it, This concept could also work well for Japan Airlines & their highly acclaimed Sakura Lounges. What better way to met your fellow travelling companions then to take a traditional " reveal all" Japanese Onsen before flight. Would certainly be an eye opener, that for sure!
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