Selina Walder and Georg Nickisch founded the architecture office Nickisch Walder in 2007 in Flims. They are interested in authentic buildings and constructions -old and new ones- with a strong tectonic feeling. Specific solutions and coherent implementation is what they try to achieve in their work. Alongside several conversions and renovation they built ,"Refugi Lieptgas" (2012), ,"Matterhorn Basecamp" (2014), Two family house ,"Sulten" in Flims (2017).