Earth Day Means Naked, Green Bicyclists at University of Maine [PHOTOS]
In a tradition dating back to 1970, dozens of University of Maine students took off their clothes, painted themselves green and hopped on their bikes to celebrate Mother Nature on Earth Day.
According to the event's Facebook page, the ride was designed to bring attention to the the pollution caused by an over-reliance on motorized transportation.
University of Maine Earth Day Bike Ride
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