De Pijp, Amsterdam 1972: Children living in the Amsterdam neighbourhood De Pijp fight for a play street without cars in 1972 -BicycleDutch
De Pijp, Amsterdam 1972 – BicycleDutch (Youtube).
The Camden Branch of the London Cycling Campaign
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The Camden Branch of the London Cycling Campaign
De Pijp, Amsterdam 1972 – BicycleDutch (Youtube).