RBW Crozzie#4

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Across
  1. 3. A billion years
  2. 9. It's landlocked
  3. 10. Tuber so versatile it can be converted into hearty food or alcohol
  4. 11. It’s a talent
  5. 14. Scale used to measure the heat in a chilli
  6. 15. Back to the future
  7. 17. Can open portal to other world
  8. 18. Militants of the Middle East
  9. 19. Shameless
  10. 20. One foot in Asia, the other in Europe
Down
  1. 1. This festival is a riot of colour
  2. 2. Ballerinas do it, and so do businesses
  3. 4. Buys your service
  4. 5. Sweet or spicy yoghurt-based drink
  5. 6. It’s both city and country
  6. 7. Best possible
  7. 8. Famous for being famous
  8. 11. Misleading claims
  9. 12. Undercover operations
  10. 13. Iran, formerly
  11. 16. In my humble opinion
  12. 19. It’s extra