This is much more important than any political talk.
Amsterdam children fighting cars in 1972, Via BICYCLE DUTCH
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Image from the documentary from 1972. The streets are dominated by cars and there is not a tree in sight.
The same street as seen in Google Streetview is very different. The carriage way was narrowed. The homes renovated and the trees and bicycles make the area a lot friendlier.
...Excerpt from a 1972 TV-documentary about the traffic situation for the children in an old Amsterdam neighbourhood.
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http://bicycledutch.wordpress.com/2013/12/12/amsterdam-children-fighting-cars-in-1972/