What type of structure is the Sydney Opera House?

Related questions

1. What should I wear to the Sydney Opera?
2. What materials is the Sydney Opera House built with?
3. Who funded the Sydney Opera House?
4. What is the dress code for the opera?
5. How much does it cost to go to Bondi Beach?
6. Is the Sydney Opera House cultural or natural?
7. Is Sydney Opera House free?
8. Who opened the Sydney Opera House?
9. Why is the Sydney Opera House famous?
10. What do I wear to the opera house?

Tags

1. #shells
2. #series
3. #expressionist
4. #house
5. #podium
6. #modern
7. #sphere
8. #monumental
9. #roofs
10. #concrete
11. #structure
12. #composed
13. #large
14. #sections
15. #opera
16. #precast
17. #sydney
18. #forming
19. #design