amphitheater – n. a large building with seats rising in curved rows around an open space on which games and plays take place

loot – v. to steal during a time of crisis or war

antiquity – n. objects from ancient times

artifact – n. a simple object made by people in the past

AD – adv. used to note a period of time since the beginning of Christianity; short for the Latin term anno Domini

preserve – v. to protect