A painting of Venus in the nude, stretched across a green velvet sofa, by Goya has been given a bigger, brighter home at the Prado Museum. Pursuing a more “panoramic approach” to the painter’s oeuvre, the Madrid institution has placed Las Majas in a new gallery alongside two little-seen sketches of Saint Bernardino of Siena preaching to an Aragonese king, as well as a reclining Venus by Titan. It was a simple but effective renovation: the gallery walls were painted a lighter pastel color and the windows overlooking the Botanical Gardens were opened, naturally illuminating the iconic canvases for the...