About HASHIMOTO SHIN'ICHI
About 間組 技研
About NAKAGAWA HIROYUKI
About 間組 技研
About KOJIMA KAZUYA
About 間組 技研
About 地下空間利用シンポジウム
About underground opening
About Land use in general,zoning
About Urban problems,urban disaster prevention
About 吹抜け
About 地下空間
About 排煙