There are wet saunas, dry saunas, infrared Saunas smoke saunas, and steam saunas. The gym offers whirlpools, saunas, and massage therapists. A range of sporting activities is available, with restaurants, spas, saunas, and massage. Increasingly they have additions such as saunas, heating ovens, fireplaces or attractive gardens. Customers typically divide their time between the showers/saunas/jacuzzis and the main areas of the establishment. Many brothels operated through legitimate businesses which were licensed as saunas or massage parlours. The premises used include massage parlours, saunas, private flats and Soho walk-ups. Unlike Russian saunas ("banya"), which use steam, Turkish baths focus on water. This heating technology is used in some expensive infrared saunas. Some bars, karaoke parlors, saunas and nightclubs were exempt until 1 July 2009. Detached houses, cottages, log cabin, saunas, etc. Far infrared emitters (FIR) are typically used in the so-called low-temperature far infrared saunas. For example, it is used in infrared saunas to heat the occupants. The Finnish documentary "Steam of Life" about men in saunas shows nudity throughout the film.