Modern building in London, United Kingdom https://www.rawpixel.com/image/427025/free-photo-image-london-architectural-modern-architectureView licenseGlass windows with hand drawn flowers https://www.rawpixel.com/image/938008/decorated-glass-windowsView licenseLarge Captive Steam Balloon of the Tuileries Courtyard, Paris by artist Henri Gifford (1825-1882) at Lahure, rue de Fleurus… https://www.rawpixel.com/image/429654/free-illustration-image-art-deco-paris-balloonFree Image from public domain licenseMr. Henri Giffard’s Steam Captive Balloon by the artist Albert Tissandier (1839-1906). Original from Library of… https://www.rawpixel.com/image/429646/free-illustration-image-art-deco-paris-hot-air-balloonFree Image from public domain license