background city draw graffiti grunge paint painting red San Francisco scrawl scribble texture urban bridge California fog Golden Gate mist suspension bridge weather wire strand cables BART ceramic hexagon honeycomb subway surface tile tiles Underground wall construction fence plywood post no bills sign stencil typography warning wood bay buildings coast hill holidays houses isa Pacific Ocean Sausalito tourism vacation water waterfront Golden Gate Park green grow leaf leaves nature organic park plant summer vein veins cover iron metal non-skid oxide plate ridges rust sidewalk cars curves curvy jam Lamar landmark lush pile up street traffic twists zig zag America chilly cloudy coastal cool damp foggy orange