the kikyo-bori moat overgrown with water plants around the tokyo imperial palace. tokyo. japan

architecture around asia attraction blue building castle chiyoda city district edo edojo famous green guard high historic historical imperial japan kikyobori landmark landscape megapolis metropolis moat old outer overgrown palace plant pond reflection rock sakurada sakuradayagura sky stone tatsumi tatsumiyagura tokyo tower tree urban urbanistic wall water yagura