Interior Space and Exhibition Design Grain and Line in The Space Residential by Han Chung Hung Grain and Line In The Space is a residential interior design of about 115 square meters in Taoyuan City, Taiwan. A half-high television wall separates the living room and the dining room while keeping the open public area visually connected. The living room, dining area and kitchen are placed on the same axis. Natural stone with clear grain is used for the floor, the main wall, the dining table and the kitchen island. A black mirror below the wall lightens the heavy stone. A wooden folding ceiling conceals air conditioning equipment and beams.