PHOTO ESSAY: The Need for Speed (and Artistic Expression)

For a second, imagine you don’t live here. Deep in the southeastern part of Portland, there's a dormant volcano. Around this volcano, there's a massive forested public park (191 acres), with hiking trails, several reservoirs, a dog park, and a disc golf course. Every summer Portlanders huddle around the concrete walkway in the middle of the park and watch gravity-powered homemade cars hurtle down the track, from the top of the volcano to the bottom....

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