Austria has taken the art of relaxation to another level with a hammock-filled public art installation entitled Flederhaus (Bat House). The architecture office heri&salli designed on the square in front of the “Museumsquartier” /Vienna (Austria) a constructed sequence of standstill… a moment of physical tranquility. The open space of the Museumsquartier is already a place to hang around and relax, now the architects created a prototype divided in sequences in this area- the Flederhaus…equipped with hammocks. Many people leave their houses during the day for work and recreation, and return to them to sleep and for other activitie.