Interior of the traditional Juuka based smoke sauna introduced in the Wall Street Journal article &quot;Heat on Haute Style&quot; on Oct. 17th. 2013. This soapstone sauna stove made by Tulikivi needs to be heated up for about 6 hours, but it stays warm for 18 hours, giving gentle, moist and relaxing warmth for the bathers. Full article can be found here: http://on.wsj.com/16lSAxo