Individual #Strait_of_Gibraltar  the strait between Spain and Africa
  instance of:  strait
  part:  Pillars_of_Hercules  the two promontories at the eastern end of the Strait of Gibraltar; according to legend they were formed by Hercules
     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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