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Daiba, birds Island toward Shibaura
Spring
The shape of the Rainbow bridge references Mount Tsukuba depicted in Hirsohige’s work. Suijin no mori was intended to be a water-disaster protection in the same way Odaiba was built as a fortress for protecting the city of Edo from military attacks coming by the sea.
Notes
The Rainbow Bridge carries three transportation lines on two decks. The upper deck carries the Shuto Expressway’s Daiba Route, while the lower deck carries the Yurikamome rapid transit system in the centre, walkways on the outer side, and Tokyo Prefectural Route 482 in-between. The north side walkway offers views of the inner Tokyo harbour and Tokyo Tower, while the south side offers views of Tokyo Bay and occasionally Mount Fuji. The walkways may only be used during certain hours.