Player is able to jump on the metal shelf and see through the ceiling. It's kinda hard jump, but I managed to do it twice in 4 tries.
Building:
(sorry for a bad picture, I had a zombie issue)
(found this low res image of the building, if that helps)
Location:
- I only tried the one in Novaya Petrovka
- It should be this building
View when you manage to climb up:
