The entrance into Ninomaru Palace within Nijo Castle, Kyoto. During the Edo period the shoguns used Edo (Tokyo) as their capital. They built Nijo Castle as their Kyoto residence since the Imperial Court was based in Kyoto.

The entrance into Ninomaru Palace within Nijo Castle, Kyoto. During the Edo period the shoguns used Edo (Tokyo) as their capital. They built Nijo Castle as their Kyoto residence since the Imperial Court was based in Kyoto.