questions about the great exhibition?

well i need to know some answers for all of the question so here we go.

1:how did the crystal palace burn down?

2:how many people visited each day?

3:how many rooms were there?

4:how many workers worked there?

5: how many people did it take to build it?

6: how long did it take to build?

7: how much did it cost to get in?

8: which was the most popular room?

9: what were the opening and closing times?

you dont have to answers all of them just the ones you know.

thanks