“Bathing together, in a wooden barrel, under the trees, in the snow! This was our original image. In this image, we found the answer to the architectural dilemmas – use circles! The interpenetration of spaces serves to blur the usual divisions between inside and outside, and between male and female. Bathers separate by sex at the entrance for undressing and washing, but are able to rejoin again in the outdoor communal bath (konyoku rotenburo).