Hot air balloon in front of buildings, Boston, Massachusetts, USA

blue boston building exterior building structure city town city location clear sky color colour color image day downtown district financial district horizontal mode of transport nobody outdoors part of rope skyline skyscraper spire taking off tree urban scene us united states of america america united states architecture freedom hot air balloon adventure exploration extreme sports massachusetts new england north america recreational pursuit leisure activity leisure leisurely free time free time leisure activity leisure time spare time spare time transportation transport transporting travel traveling journey usa photography