Are royalty free images really free?

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Tags

1. #while
2. #photographers
3. #sites
4. #images
5. #acquired
6. #independent
7. #purpose
8. #offer
9. #agencies
10. #without
11. #having
12. #almost
13. #stock
14. #license
15. #times
16. #multiple
17. #charge
18. #royalty
19. #image