Which is the worlds heaviest building?

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6. How many seats does the Hungarian Parliament have?
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Tags

1. #monstrosity
2. #records
3. #beast
4. #heaviest
5. #bucharest
6. #metres
7. #palace
8. #building
9. #contains
10. #according
11. #steel
12. #world
13. #tonnes
14. #horror
15. #guinness
16. #described
17. #million
18. #planet
19. #crystal
20. #square
21. #marble
22. #bronze
23. #parliament