1 of 12: For five hours in downtown Los Angeles on Sunday, Oct. 9, 2011, an estimated 130,000 bicycle riders, skateboarders and walkers ruled the road. Not a car was in sight to compete for the right of way during CicLAvia, an attempt to get Angelenos to ditch their cars. Ten miles of streets in and around downtown were closed to cars. (KABC Photo)

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