https://joy.videvo.net/videvo_files/video/free/video0430/large_watermarked/_California%20San%20Francisco%20Union%20Square_preview.mp4 San Francisco California Union Square People stand on a street corner waiting to cross near Union Square in downtown San Francisco. bluebuildingscaliforniacitydayhigh-risehistorical monumentpalmplazaSan Franciscosignsskystreetsunnytaxitreesunion squareurban