herminiosuke's photostream

Or 東京湾アクアライン.

Its a bridge-tunnel combination across Tokyo Bay. The tunnel section is 9.6km, making it the fourth-longest in the world. There are two man-made islands along the line.

Among the world's five longest underwater tunnels, three are in Japan.

Air is supplied to the tunnel by a distinctive tower in the middle of the tunnel, called the Kaze no Tō (風の塔, "the tower of wind"), which uses the bay's almost-constant winds as a power source.

The road opened on December 18, 1997 after 31 years of construction at a cost of 1.44 trillion yen (11.2 billion USD at the time of opening).

It was decided to make a chunk tunnel, rather than all bridge, so as not to disturb the considerable surface shipping traffic in that area, especially in the Kawasaki side of the tunnel.

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these turbines were made in denmark.

I think these four black towers of mordor somehow scoop coal from cargo ships docked beside them and dump it into a huge conveyor belt that runs into the power plant.