Progress Report:

Outside: Whatever
Ground floor: Shops. Complete
1st: Shops. One incomplete left
2nd: Luxury appartements. Complete
3rd: Offices. Complete
4th: Offices. Complete
5th: Secret. Complete
6th: Secret. Complete
7th: Strolling. Complete
8th: Grand hall & bars. Almost no furniture
9th: Grand hall & bars. No furniture
10th: Small appartements. No furniture
11th: Small appartements. No furniture
12th: Small appartements & chapel. No furniture
13th: Small appartements & chapel. No furniture
>13: To be built

All the lights can be turned off by the lever under the stairs in the basement.

Comment, please!