The Janus Extension by mlzd Architect which won a competition in 2007, is giving the Rapperswil-Jona municipal museum a new lease of life. The existing buildings with a history of more than 700 years, consists of a guard tower, a residential and an adjacent farm building along the city wall. The new extension was carefully designed not to interrupt the charismatic town by its presence but to transcend the town into a new cultural hot spot. The new internal layout and space has satisfies all the building services and operational requirements of a modern, round the year museum operation and thus make it justified their existence. The majestic bronze facade made of TECU Bond, creating the main access point of the modern complex, which blend harmonically with the surrounding also contributes to the success of this extension project.