Public infrastructure – parks, libraries, roads, and sidewalks – surrounds us. But have you ever wondered how any of it actually came into being? A lot needs to happen to create a park – from coming up with the idea in the first place, to environmental reviews, construction, and of course, getting the money to pay for it. In San Francisco, funding for these projects needs to be approved by voters, as was the case with 2012’s Proposition B, which gave the city permission to borrow $195 million to renovate parks, including Golden Gate Park