Which is the biggest clock tower in the world?

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Tags

1. #hotel
2. #tower
3. #tallest
4. #height
5. #buildings
6. #owned
7. #largest
8. #government
9. #world
10. #royal
11. #saudi
12. #complex
13. #meters
14. #makkah
15. #clock
16. #arabia
17. #mecca