Pretty Difficult Crossword

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Across
  1. 3. Famous musical by Webber (meow ...)
  2. 6. Vocational school in 1220 Vienna
  3. 7. Famous british cook
  4. 10. Famous play by Shakespeare
  5. 12. Braveheart comes from this part of GB
  6. 15. River running through London
  7. 16. English town, Champions League final 2022
  8. 17. This gets eaten in GB on the 25th of December
  9. 18. British Prime Minister
Down
  1. 1. English punk band of the 70ies
  2. 2. English Formula 1-champion
  3. 3. Oldest son of the reigning Queen
  4. 4. Second biggest city of Great Britain
  5. 5. Ships going from Calais usually end up in ...
  6. 8. Very big rocks in a circle near London
  7. 9. Vienna has got the Riesenrad, London ...
  8. 10. Teacher of the 3BTA
  9. 11. Capital of Wales
  10. 13. English for pommes frites
  11. 14. Island between Northern Ireland and England