Sailboats in a river, Charles River, Boston, Massachusetts, USA

building buildings skyscrapers leisure activity spare time leisure leisure time leisurely spare time free time free time new england transporting traveling boating boston building exterior building structure charles river city town cityscape cloud color colour color image day downtown district floating on water group of people massachusetts nautical vessel outdoors reflection river riverbank sailboat mode of transport sky skyline skyscraper tourist tower tree urban scene usa us united states of america america united states north america vertical water water vehicle waterfront architecture city location leisure activity tourism transportation transport travel destinations travel journey world travel photography