Monuments

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Across
  1. 4. Formed by the Colorado River
  2. 6. 6000km of bricks
  3. 7. An ivory marble Mausoleum in India
  4. 8. A colossal neoclassical sculpture on Liberty Island in New York Harbor in New York City
Down
  1. 1. Water feature in Zambia
  2. 2. Historical landmark from the Bronze Age
  3. 3. Ancient monument in Peru
  4. 5. An underwater wonder