Geography puzzle

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Across
  1. 3. The Land of the Rising Sun
  2. 5. Only country that’s also a continent
  3. 7. Northern neighbor of the United States
  4. 10. Capital of Thailand
  5. 13. Country to the Great Pyramid
  6. 15. Country that hosts the Eiffel Tower
  7. 16. City known for Big Ben
  8. 19. City of skyscrapers and sushi
  9. 20. Capital of Spain
Down
  1. 1. Capital of Germany
  2. 2. Samba and Carnival are famous here
  3. 4. Country known for maple syrup and hockey
  4. 6. Country shaped like a boot
  5. 8. Capital of South Korea
  6. 9. Island nation with the city of Reykjavik
  7. 11. Country famous for tulips and windmills
  8. 12. Capital city on the Thames River
  9. 14. Largest city in the U.S.
  10. 17. Capital of Russia
  11. 18. Home of the Colosseum