An underused 6.5-acre site at a historic facility in Philadelphia's East Fairmount Park has a new space that gives children a space to actively dream up new adventures while learning a bit about sustainability, thanks to the legacy project from this year's Greenbuild International Conference and Expo. Click below to take a behind-the-scenes tour of the new Adventure Playground at the historic Smith Memorial Playground, build in conjunction with Public Workshop and crafted by local youths.