Unit 17&18

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Across
  1. 4. shop
  2. 7. swimming pool
  3. 9. building
  4. 11. waterfall
  5. 13. nature
  6. 14. farm
  7. 15. cave
Down
  1. 1. forest
  2. 2. restaurant
  3. 3. pollution
  4. 5. house
  5. 6. paddy field
  6. 8. volcano
  7. 10. bridge
  8. 12. mangrove