Seven Wonders of the World

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Across
  1. 4. one of the world's largest, most spectacular water curtains located in Zambia/Zimbabwe
  2. 6. A young, symmetrical cinder cone that famously emerged from a cornfield
  3. 7. the highest mountain on Earth
Down
  1. 1. he world's largest bay by volume, surrounded by unique mountains
  2. 2. worlds largest coral reef
  3. 3. is a massive gorge known for its deep red rock located in the U.S
  4. 5. a phenomenon where dancing lights appear in the sky,