society
cross section of a street, office building, restaurant, hotel, agglomeration, downtown, shopping center, department store, convention center, self-service restaurant, common symbols
weapons in the age of the Romans, armor, bows and crossbow, harquebus, seventeenth century cannon and mortar, missiles, combat aircraft, aircraft carrier, nuclear submarine, weapons in the Stone Age, thrusting and cutting weapons, revolver, pistol, submachine gun, light machine gun, automatic rifle, modern mortar, modern howitzer, recoilless rifle, bazooka, hand grenade, tank, antipersonnel mine, frigate