#Pillars_of_Hercules  the two promontories at the eastern end of the Strait of Gibraltar; according to legend they were formed by Hercules
  supertype:  #geological_formation__geology  the geological features of the earth
  part of:  #Strait_of_Gibraltar
  part:  #Gibraltar__Rock_of_Gibraltar__Calpe  place of a colony of the United Kingdom located on a limestone promontory at the southern tip of Spain; strategically important because it can control the entrance of ships into the Mediterranean; one of the Pillars of Hercules
  part:  #Jebel_Musa__Abila__Abyla  a promontory in northern Morocco opposite the Rock of Gibraltar; one of the Pillars of Hercules

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