Is Great Barrier Reef a wonder of the world?

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Tags

1. #barrier
2. #pulling
3. #viewing
4. #great
5. #greater
6. #thing
7. #seven
8. #visible
9. #earth
10. #natural
11. #larger
12. #world
13. #space
14. #living
15. #understand
16. #china
17. #distance
18. #wonders