Originally posted by PShero94
How did you get on the first side?
It's oldschool; you use the stairs method and jump across onto the building.
This is really old on PC, I remember CODDude doing this ages ago and it doesn't lead anywhere, and if you hit it and go further left, you can get into a block of stairs.
You can not get out of block, there is one area that 'supposedly' people have go out of, but you die if you move anywhere else.