Across
- 2. traveling by airplane
- 3. a break from work or school
- 7. following in time or sequence
- 10. a symbol or indication
- 11. someone who comes to see a place
- 12. an explanation or cause
- 13. the reason for doing something
- 15. full of people or things
- 18. happening at the same time
- 19. a friendly greeting
- 20. to go and see someone or somewhere
Down
- 1. a pass for travel or entry
- 4. a place with its own government
- 5. a group of people under one government
- 6. giving assistance or support
- 8. someone from another country
- 9. a mark or seal on paper
- 10. a part or surface of something
- 14. something required
- 16. the Earth and all its people
- 17. without stops or detours