▁Le ▁Cor bus ier ) ▁at ▁Os aka ▁office . ▁ ▁In ▁ 1 9 6 4 , ▁He ▁designed ▁the ▁City ▁hall ▁of ▁H ira oka ▁( Pres ent ▁name ▁" H ig ashi ō s aka ") ▁as ▁" W arp ed ▁roof , ▁large ▁e aves , ▁spir al ▁st air case , ▁and ▁s ash ▁with ▁well - des igned ▁windows ". ▁When ▁the ▁city ▁decided ▁to ▁re build ▁this ▁hall , ▁citizens ▁have ▁campaign ed ▁to ▁protect ▁this ▁excellent ▁designed ▁building . ▁ ▁Besides , ▁He ▁designed ▁the ▁famous ▁ped est rian ▁space ▁" Sh in ju ku ▁Station ▁West ▁Gate ▁Under ground ▁Park " ▁and ▁also ▁super vised ▁the ▁design ▁in ▁ 1 9 6 6 . ▁This ▁park ▁is ▁a ▁passage ▁leading ▁to ▁the ▁Tokyo ▁Metropolitan ▁Government , ▁and ▁with ▁an ▁under ground ▁culture ▁history , ▁such ▁as ▁the ▁center ▁of ▁anti - V ietnam ▁war ▁movement ▁' folk ▁song ▁gu err illa ' ▁activities ▁in ▁the ▁ 1 9 6 0 s . ▁ ▁In ▁ 1 9 6 6 , ▁He ▁built ▁his ▁own ▁house ▁, ▁is ▁a ▁famous ▁house ▁called ▁" The ▁Tower ▁House " ▁which ▁constructed ▁with ▁Bé ton ▁brut ▁(" raw ▁concrete "), ▁used ▁a ▁tiny ▁plot ▁of ▁land ▁of ▁ 2 0 . 5 ▁square ▁meters ▁and ▁has ▁six ▁stories ▁and ▁ 6 5 ▁square ▁meters . ▁▁ ▁Japan ▁is ▁one ▁of ▁the ▁most ▁dens ely ▁populated ▁countries ▁in ▁the ▁world . ▁Therefore , ▁this ▁" Az uma ▁house ▁(