Across
- 3. die out
- 6. anniversary
- 8. specialization
- 10. interact
- 11. celebrate
- 13. life expectancy
- 15. behaviour
- 17. alive
- 18. reliable
- 19. invention
Down
- 1. culture
- 2. blossom
- 4. identity
- 5. anthropology
- 7. generation
- 8. social networking
- 9. tradition
- 12. modernize
- 14. acceptable
- 16. affect