55 4 0Download size Original (3673 x 2440) Large (1920 x 1275) Medium (1280 x 850) Small (640 x 425) Blue and Gray Curtain Wall Building architectural designarchitectureblue skybuildingbusinesscitycloudsconstructioncontemporarydaylightdowntownexpressionfacadefinancefuturisticgeometricglassglass windowslow angle shotmodernofficesoutdoorspatternperspectivereflectionskylineskyscraperskyscraperstalltallesttowertravelurban
4
