A manhole cover at Aoba Castle (Sendai Castle), Sendai, Miyagi Prefecture. It shows waki-yagura, the watchtower of the main gate of the castle.
A manhole cover at Aoba Castle
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TOKYO Design Manhole Exhibition at Anime Tokyo Station (October 3-4, 2026)
photos: October 3, 2026 ©Japanbyweb.com /G.F.
Among the many unique things you...