7 wonders of the world

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Across
  1. 2. welcoming rio de janerio with open arms.
  2. 4. one of the oldest cities in the world.
  3. 5. largest amphitheater of the world.
  4. 6. It was built foe a mughal emperors wife.
Down
  1. 1. it is not a single wall.
  2. 3. located in southern peru.
  3. 5. it looks like a pyramid.