Happy Easter!

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Across
  1. 2. The largest Corvidae
  2. 3. Negotiating the price
  3. 6. Prof. A P W B
  4. 13. Best Easter flower
  5. 16. The beginning (Gr.)
  6. 17. The third day
  7. 18. State of the tomb
  8. 19. The Golgotha place
  9. 20. Ill-gotten coupling with ebony
  10. 21. The end (Gr.)
  11. 22. Pontifex Maximum, Papa
  12. 24. Large hill in Paris's northern 18th arrondissement
  13. 25. Tinker, soldier, spy
Down
  1. 1. On Attenborough’s Life
  2. 4. Four days dead, that’s all
  3. 5. The Bard’s Tale of Hermione
  4. 7. Moon blocking the sun
  5. 8. Cardio
  6. 9. Circle of light
  7. 10. Pascha
  8. 11. Betrayed with one of these
  9. 12. The register you are now on
  10. 14. Wilfred Owen’s Dulce et…est
  11. 15. National dress of Japan
  12. 20. Wavelengths longer than that of visible light but shorter than microwaves
  13. 23. Seventh day of the week