Here in the UK, sauna time tends to be something of a treat – part of a spa day or a form of post-workout relaxation. But in Finland, a trip to the sauna is about so much more than a little TLC ...

has also been converted to the "magic of Finnish sauna". "First time I went into this sauna, it was very hot. I had my clothes on and Ukko said I had to remove my clothes. I removed my clothes and ...