Geography Crossword

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Across
  1. 3. Hungarian county with non-rectangular flag
  2. 8. Continent with the highest average elevation
  3. 10. Largest landlocked country
  4. 13. Nation once adopted a single colour flag
  5. 14. Country with non-quadrilateral shaped flag
  6. 16. Most inaccessible county in Eurasia
  7. 18. Municipality with 22 exclaves/enclaves
  8. 19. Former name of Seoul
  9. 20. Country with most time zones
  10. 21. Short version of longest official city name
Down
  1. 1. Country with oldest adoption of current flag design
  2. 2. Volcano close to San Pedro de Atacama
  3. 4. Shares a 150m border with Zambia
  4. 5. Capital closest to the equator
  5. 6. A 15th-century Inca citadel
  6. 7. Most tree flora diverse country
  7. 9. Longest train ride
  8. 11. Tallest uninterrupted waterfall
  9. 12. Operator of longest domestic flight
  10. 15. Island state without a capital city
  11. 17. Deepest subglacial lake