Kayaker Ben Marr took a trip down a drainage ditch, albeit a well-known sluice called Lions Bay Slide in British Columbia. I'm sure he was familiar with the route before filming this, but when seeing the POV version, I kept thinking about how suddenly a drainage ditch can turn into a culvert! Marr's entire ride is shown from a couple of different vantage points. He got up to 35 miles per hour! -via Daily Picks and Flicks
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