Caves of Hercules which passes under the Strait of Gibraltar and emerges at St. Michael's Cave in Gibraltar. Legend has it that the Barbary macaques entered the Rock of Gibraltar from Morocco this way. Mythological tradition also holds that the Roman god Hercules stayed and slept in this cave before doing his 11th labour, which was to get golden apples from the Hesperides Garden, which some ancient Greek writers said was located nearby at Lixus. According to some Roman sources, while on his way to the garden of the Hesperides, Hercules had to cross the mountain that was once Atlas. Instead of climbing
On the Heavens On the Heavens On the Heavens (Greek: Περὶ οὐρανοῦ; Latin: "De Caelo" or "De Caelo et Mundo") is Aristotle's chief cosmological treatise: written in 350 BC it contains his astronomical theory and his ideas on the concrete workings of the terrestrial world. It should not be confused with the spurious work "On the Universe" ("De mundo", also known as "On the Cosmos"). According to Aristotle in On the Heavens, the heavenly bodies are the most perfect realities, (or "substances"), whose motions are ruled by principles other than those of bodies in the sublunary sphere. The latter are composed of one