Concrete curve
Autobahn A620, the main traffic artery of Saarbrücken, creates its own concrete landscape along the south bank of the Saar. There are plans (Stadtmitte am Fluss) to bury this autobahn in a tunnel, changing the aesthetics, dampening the noise and sparing the autobahn from the regular flooding it now suffers.
It seems like a good idea, but the expense!
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