Named after the legendary sorceress Morgan le Fay who appears in the tales of King Arthur and his court, Fata Morgana is a common mirage that can be seen on hot summer days on the Strait of Messina. When rays of light bend as they pass through air layers of different temperatures, combined with the curvature of the earth, the result is an optical illusion that includes three or more distorted images of the same distant object, stacked vertically in the sky. These mirages which can appear like distant castles on the horizon have been the subject of tales and legends for centuries.