My perfect vacation/holidays

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Across
  1. 2. no more of them in a resort
  2. 4. a car or a lodging for a short period
  3. 5. seagoers' favorite shoes
  4. 8. putting your thumb up to have a free ride
  5. 9. outside your country
  6. 10. best season to get a tan
  7. 12. easy, no bother
  8. 13. money used to finance a trip
  9. 16. people sunbathe to get that
  10. 17. and your skin will be grateful
  11. 18. you lie on it on the beach
  12. 19. children make castles with it
Down
  1. 1. your holidays are ruined without it
  2. 3. cheaper than during the school holidays
  3. 6. you need to pack them before you go
  4. 7. AA676 departing gate 4
  5. 10. visiting cities, museum and sites
  6. 11. opposite of relaxing
  7. 14. more convenient than a suitcase for adventurers
  8. 15. the way you feel after peaceful holidays