What is a cable stayed bridge made out of?

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Tags

1. #support
2. #distinctive
3. #towers
4. #cable
5. #directly
6. #lines
7. #parallel
8. #forming
9. #stays
10. #series
11. #bridge
12. #feature
13. #tower
14. #normally
15. #pattern
16. #stayed
17. #cables
18. #pylons
19. #which