Repurposing abandoned spaces has been a part of skateboarding since the beginning. What started as finding empty swimming pools and schoolyards eventually gave way to DIY builds of make-shift skateparks. Roughly 90% of these projects get torn down. But there are a handful that manage to get sanctioned as public facilities. This is the case with San Francisco’s Treasure Island DIY. Real examines the year-long process of first starting the build to getting it approved by the city in the latest installment of the “Out of Sight” series. Click play above to watch the full 43-minute documentary.