Ceiling by the damage from smoke from candles or a fireplace. Many historic buildings have celebrated ceilings. Perhaps the most famous is the Sistine Chapel ceiling by Michelangelo. Ceiling height may have psychological impacts. The most common ceiling that contributes to fire-resistance ratings in commercial and residential construction is the dropped ceiling. In the case of a dropped ceiling, the rating is achieved by the entire system, which is both the structure above, from which the ceilings is suspended, which could be a concrete floor or a timber floor, as well as the suspension mechanism and, finally the lowest membrane or
The Birth of Venus Politian speaks of Zephyr causing flowers to bloom, and spreading their scent over the land, which probably explains the roses he blows along with him in the painting. Having a large standing female nude as the central focus was unprecedented in post-classical Western painting, and certainly drew on the classical sculptures which were coming to light in this period, especially in Rome, where Botticelli had spent 1481–82 working on the walls of the Sistine Chapel. The pose of Botticelli's "Venus" follows the Venus Pudica ("Venus of Modesty") type from classical antiquity, where the hands are held to cover the breasts