Head series,Main Lobby,Grand Hyatt Hotel,Seoul(Installation Year:1992)

Head series,Underground 2nd Floor Club Olympus Entrance,Grand Hyatt Hotel,Seoul,1994(Installation Year:1997)

Head series,Main Entrance,Grand Hyatt Hotel,Seoul,1995

Head series,Helicon Song-Bar,Grand Hyatt Hotel,Seoul(Installation Year:1996)

Head series,Main Entrance,Grand Hyatt Hotel,Seoul(Installation Year:1996)

Head series,Main Entrance,Grand Hyatt Hotel,Seoul(Installation Year:1996)