POPOS of San Francisco: Privately Owned Public Open Spaces, hidden gems throughout downtown

POPOS of San Francisco: Privately Owned Public Open Spaces, hidden gems throughout downtown

POPOS is the acronym for Privately Owned Public Open Spaces. These are private spaces, mostly located in the Financial District and accessible to the public. Whether a rooftop, a terrace, a green space or a walkway between two streets, they are real bubbles of oxygen...