Tokyo National Museum the Gallery of Horyuji Treasures location: Taito-ku, Tokyo architects: Taniguchi & Associates structural engineers: Kozo Keikaku Engineering mechanical engineers: P.T. Morimura & Associates general contractors: Obayashi Corporation site area: 105,401.51m2 building area: 1,934.50m2 total floor area: 4,030.55m2 structure: reinforced concrete, partly steel frame; 1 basement and 4 stories principal use: museum completion date: March, 1999 next back top