Natural Wonders

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Across
  1. 6. Granite cliffs and waterfalls.
  2. 7. Massive waterfall on the Zambezi River, Zimbabwe.
  3. 9. Deepest canyon carved by a river.
  4. 11. Salt lake with high mineral content.
  5. 12. World's highest mountain peak.
  6. 14. Powerful waterfalls on the Niagara River.
  7. 15. Botswana-Inland delta with diverse wildlife.
  8. 16. Largest coral reef system.
  9. 17. World's largest hot desert.
Down
  1. 1. Cascading lakes and waterfalls in Croatia.
  2. 2. Limestone islands in emerald waters.
  3. 3. Largest single mass of ice.
  4. 4. Largest tropical rainforest.
  5. 5. Africa's highest mountain.
  6. 8. Glacial caves with blue ice.
  7. 10. Aurora,a natural light display.
  8. 11. Hottest place on Earth.
  9. 13. Islands with unique wildlife.