This luxury villa building is located in the western city of Tehran. For the lighting of columns, the idea of ​​negative tetrahedron was used. By installing the Tesis burial lights, making the ERCO element very thin, the wall behind the columns was lit up to see the three-dimensional shape and the volume of the columns. In the living room, the Narrow Spot lights from ERCO, the Light Element, have a beautiful emphasis on ground floor space, without any dazzling light from the outside of the dotted lights.