IVAN'S BIRTHDAY BRAINTEASER/CONTINENT-CROSSING CROSSWORD

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Across
  1. 4. Strand composer with energy (5)
  2. 8. Annual celebration 24 hours after beginning (8)
  3. 9. Displays gifts (8)
  4. 10. No tsunami over high ground (9)
  5. 13. Unaverted about exploit (9)
  6. 15. I trap Rod about extended journey (4,4)
  7. 18. Regular reports left in marshland (5)
  8. 19. Roughly clamp passport, for example, inside wing for independent stopover (4,7)
  9. 21. Drinking-address to a small tent, initially (5)
  10. 23. A significant number went after tea: yes - even without eating (6-5)
  11. 24. Short famous person limits festivities (12)
  12. 25. Warm rays stand out after southern French one (8)
  13. 26. In pale sun around headland (9)
  14. 27. Feign agony, we hear, in flute (9)
Down
  1. 1. Scan LED illuminations (7)
  2. 2. Encourages prelude to drinking (6)
  3. 3. Mixed money bag conceals roundabout form of address - not something you'd expect! (8)
  4. 5. Dessert expert unusually consuming potassium (4)
  5. 6. Brief moment before mountain road provides fast route (8)
  6. 7. Happy around Ivan's extremities in Europe, say (9)
  7. 11. Rector's shoving gin around in short cruise after dark (9,8)
  8. 12. Archipelago is large and small (7)
  9. 14. Inflated objects dance on points with two loves (8)
  10. 16. Section prior to end of motorway bash (5)
  11. 17. A cost involved at seaside (5)
  12. 20. Hello - bizarrely, I rent eggs! (9)
  13. 22. Learner finishes work without imagining cost (4)