san francisco skyline from alcatraz cityscape with salesforce tower and transamerica pyramid

water northamerica calm ruleofthirds financialdistrict skyline serene natural architectural embarcadero lighting atmosphere architecture modern cityview sightseeing clearsky transamericapyramid nopersonalization cityscape nopersonalized details buildings structures nopersonalities panoramic island sunny horizon sanfranciscobay nopeople vehicles travelphotography tourist vantage landscape landmarks noperson nopersonalize nopersonal urban skylineview sanfrancisco alcatraz visibility pyramid historic city photography nopersonnel