https://joy.videvo.net/videvo_files/video/free/2017-02/large_watermarked/161022_090_SanFrancisco_1080p_preview.mp4 Silhouetted Tourists at San Francisco Waterfront A shot of silhouetted tourists standing on San Francisco waterfront. 1080pamericabaycaliforniacitylandscapeSan FranciscosilhouettesilhouettedsunrisesunsettourismurbanUSusavacationwaterfront