Wales

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Across
  1. 1. Largest lake
  2. 4. Capital
  3. 7. Letters not in the Welsh alphabet
  4. 9. Traditional treat made on Christmas Eve
  5. 10. English King who build many of the best castles
  6. 13. Breed of Welsh pet whose name means dwarf-dog
  7. 14. Type of signal first sent in 1897 from Wales
  8. 15. Organisation that protects historic buildings
  9. 16. Largest castle
  10. 19. Responsible for the rough topography
  11. 20. Millions of Welsh people
  12. 22. Billions of coins made per year in the Royal Mint
  13. 24. Number of cities in Wales
  14. 25. Type of meat popular in Wales
  15. 26. Collection of traditional Welsh stories over 1,000 years old
  16. 27. Oldest stone castle in Britain
  17. 30. Basic unit of money
  18. 31. Island off the northwest coast
  19. 33. Animal on the Welsh flag
  20. 36. Millions of Welsh sheep
  21. 37. Thanks
Down
  1. 2. Plant symbol of Wales
  2. 3. Patron saint of Wales
  3. 5. Famous mythical king from Wales
  4. 6. Flower symbol of Wales
  5. 8. Major Roman city in Wales
  6. 11. Exported to keep people warm
  7. 12. Longest river
  8. 13. Shellfish often served with breakfast
  9. 15. Welsh word for Wales
  10. 17. Short version of the longest town name in the word
  11. 18. Type of train used first in Wales in 1804
  12. 21. Cardiff Castle's surrounding statues
  13. 23. National sport
  14. 24. Highest mountain
  15. 27. Current Prince of Wales
  16. 28. Famous Welshman with a mountain named after him
  17. 29. Racket sport invented in Wales in 1873
  18. 32. Ingredient in traditional lavarbread
  19. 34. Type of oldest tree in Wales (4,000-5,000 years old)
  20. 35. Item carved to show love for someone
  21. 36. Millions of tourist visitors per year