Do you have to go through customs when flying within Europe?

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Tags

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2. #schengen
3. #customs
4. #regulations
5. #britain
6. #belong
7. #arriving
8. #control
9. #declaration
10. #ireland
11. #between
12. #united
13. #passport
14. #there
15. #country
16. #states
17. #apply
18. #countries