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 Universe On the Universe De mundo (), known in English as On the Universe, is the work of an unknown author which was ascribed to Aristotle. Because of this, the author is referred to as a Pseudo-Aristotle. The date of the work is uncertain; it has been argued that it was composed before 250 BC or between 350 and 200 BC. It is found under the Bekker numbers 391–401. It should not be confused with "On the Heavens". "De mundo" discusses cosmological (chapter 2) and meteorological (chapter 4) subjects. After its original publication in Greek, the work was translated to Latin