On the lime/grey sand wall, tree trunks gathered on a hike define the threshold that divides the kitchen from the living room. The choice of materials makes the most of natural elements and salvaged pieces, such as hand-carved stones used as floor covering, reclaimed from the cellars of a Brussels museum. Sheets on the coffee table, Japanese Kozo paper, thin and transparent, specially treated by Roos with natural products. These papers are defined as intentions: in fact, according to Dr Masaru E