In 1972, Kisho Kurokawa bolted 140 prefabricated steel capsules onto two exposed concrete service cores in Ginza and called it a built manifesto: architecture as biology, buildings that grow and replace parts like living cells. Nakagin Capsule Tower was Japanese Metabolism's clearest statement — machine-made housing units, all-welded steel trusses, each capsule a single room with one 1.3-meter circular window reading like a washing-machine porthole.

The cladding was never meant to be white. Galvanized rib-reinforced steel, rust-preventative paint, and a Kenitex glossy spray weathered over five decades into a pale, cool off-white-gray — stacked against raw dark concrete cores that never pretended to be anything but structural. This is a palette of weathered machine parts, not clean modernism: cool, neutral, industrial, and quietly monumental.