Francesco Borrormini designed this staircase for Palazzo Bernini. An oval oculus allows light to spill down over the sweeping stair creating the dramatic chiaroscuro so loved by artisans of the Baroque.
Image 2 of 11 from gallery of UN-Habitat Announces Winners of Mass Housing Competition. In Valencia, the housing block is altered by temporary additions. Image Courtesy of Improvistos Nunca Vistos (María Tula García Méndez & Gonzalo Navarrete Mancebo)