Fill in the Blanks AC 4.4 Nakagin Capsule Tower 2Online version contemporary architecture #ac #acont metabolism by Laura Herlinda Hernandez Arrese 1 25 cheaper building demolish replaced reinforced capsules cost 8 preservation underground million architect cores Kurokawa Kisho was the that designed it , and he wants its . One of his options was to buy the building back from the Hedge Fund at a higher price , so they can have their profit . He designed the building to have the capsules every years , but they haven't been replaced . It's to replace the capsules than to the building , because each tower's core is made of steel framed concrete . Those reach 25 meters and it would be very expensive to demolish it . In Kurokawa's estimate , replacing the would cost around 7 . million yens , but to demolish the and build a new one will about 27 .