Architecture, Building and Structure Design Daebong-dong Commercial Skip Floor Commercial Cafe by Junghee Lee Junghee Lee tried to divide a large floor space into several small spaces. For this purpose, the architect set the basic direction as a skip floor, and it is a two-story building, but it actually became a space of four floors up to the outside deck on the roof. On the same floor, exposed concrete wall was exposed in the middle and divided it into two parts again. The floor and ceiling finish produces contrasting effects. in addition, by installing a skylight, natural light enters the room during the daytime.