https://joy.videvo.net/videvo_files/video/free/video0430/large_watermarked/_California%20San%20Francisco%20traffic%20turning%20in%20central%20city_preview.mp4 San Francisco California traffic turning in central city Downtown traffic in San Francisco bluebuildingsbuscaliforniacarsdayhigh-risemotorcycleSan Franciscoshadowskyskyscrapertaxitraffictraffic lightvanwires