International motocross on the Grebbeberg near Rhenen Sidecars. Front Rik Lubbers with co-driver Joop Brouwer Date: 20 May 1971 Location: Grebbeberg, Rhenen, Utrecht (province) Keywords: motocross, motorcycles, motorsports, sports Personal name: Brouwer, Joop, Lubbers, Rik

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Photo credit: © BNA Photographic / Alamy / Afripics
License: Licensed
Model Released: No

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