Winter Palace Escape

Assume that one day you would like to gain some information about a royal family, so you decide to visit the museum built in their palace because you have heard that there is an interesting exhibition about their life and everyday customs. You get going to the building and after a few minutes, you are walking on the corridors of the aged facility. As you are watching an antique furniture, you hear a strange noise, and you realize that you are stuck in one of the rooms. Good luck and have fun!