#Colosseum  amphitheater in Rome built about AD 75 or 80
  supertype:  #coliseum__amphitheater__amphitheatre  an oval large stadium with tiers of seats; an arena in which contests and spectacles are held
  part of:  #Roma__Rome__Eternal_City__Italian_capital__capital_of_Italy  capital and largest city of Italy; on the Tiber; seat of the Roman Catholic Church; formerly the capital of the Roman Republic and the Roman Empire
     part of:  #Italy__Italian_Republic__Italia  a republic in southern Europe on the Italian Peninsula; was the core of the Roman Republic and the Roman Empire between the 4th century BC and the 5th century AD
        part of:  #Europe  the 2nd smallest continent (actually a vast peninsula of Eurasia); the British use `Europe' to refer to all of the continent except the British Isles
           part of:  #Eurasia  the land mass formed by the continents of Europe and Asia
              part of:  #eastern_hemisphere__easternhemisphere__orient  the hemisphere that includes Eurasia and Africa and Australia
              part of:  #northern_hemisphere  the hemisphere north of the equator
        part of:  pm#Mediterranean_region

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