Here are bay, rose, lancet, and half-fan windows, oculi, shutters, and blinds, testimony to the creative genius of architects, artisans, and the inhabitants themselves. Drawing on their extensive travels and years of research conducting site analyses of the chromatic palettes of villages and cities worldwide, Jean-Philippe and Dominique Lenclos show how the diverse proportions, designs, materials, and colors of windows reflect the geography, traditions, and culture of local habitats.