THE WORLD

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Across
  1. 2. lake
  2. 3. river
  3. 6. mountain
  4. 7. beach
  5. 10. hill
  6. 11. tunnel
  7. 13. harbour
  8. 14. skyscraper
  9. 16. forest
  10. 17. field
Down
  1. 1. motorway
  2. 4. island
  3. 5. canal
  4. 6. bridge
  5. 8. valley
  6. 9. cliff
  7. 12. sea
  8. 15. power station