Living Room and Sofa Cho relaxes in the first-floor living room, where paintings by up-and-coming Germany-based Chinese artist Ruo Bing Chen play off a sofa and coffee table designed by the architect himself.  Photo 5 of 5 in Material Focus: Concrete by Diana Budds from Seoul, South Korea

Material Focus: Concrete

5 of 5

Cho relaxes in the first-floor living room, where paintings by up-and-coming Germany-based Chinese artist Ruo Bing Chen play off a sofa and coffee table designed by the architect himself.