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

building new england transporting traveling boston building exterior building structure charles river city town cityscape cloud color colour color image day downtown district floating on water horizontal massachusetts nautical vessel nobody outdoors reflection river riverbank sailboat mode of transport sky skyline skyscraper tower tree urban scene usa us united states of america america united states north america water water vehicle waterfront architecture city location transportation transport travel destinations travel journey world travel photography