You need to collect all pieces of the torn picture.
You get the job at the museum. Find all the torn pieces.then the hobo will open the exit to the tunnel. Turn all 8 movable pieces to the dragon face then you will end up in the museum storage room.
You find all of the missing parts of the paper and put it on the dragon face. Make sure you do it exactly like the paper
First,you have to get all of the pieces of the torn picture.then go from the exit of the underground tunnel(the shady guy will unlock it after you get a job at the museum and night falls)to the big dragon face vault.Turn all 8 movable parts of the dragon's face so it matches the picture.The vault will unlock,and then you end up in the supply closet.
You have to get all the pieces of paper, and then copy them on to the dragon's face(you click on the pieces of the dragon's face and drag them to the right positions)
In the trash can by the tour dig through it you will find tickets to tunnel go to internet cafe talk to guy give him tickets and he will give you one you can give it to the lady and she will let you in and then look around I'm sure you will find it