Across
- 4. needing air
- 7. being mad
- 11. crowd around
- 12. lacking courage
- 13. to change shape
- 14. energetic part
- 15. feel a great dislike
- 16. relating to cities
- 17. clear/understandable
- 18. cut/tear
- 19. rapid sweep
Down
- 1. process of convincing
- 2. long narrow passage
- 3. to obstruct
- 5. future generations
- 6. long passage
- 8. sensible/wise
- 9. act of watching
- 10. endurance
- 13. to discover
