Damaging on the building edges is where the damaged brick material was used.
Here is a usage of the ground material.
Example of the use of the stain material on the roof asphalt material. Also and example of the large wall material used on the Prison Perimeter.
UNCHARTED 4: A Thief's End (5/10/2016) - Story Trailer | PS4
Uncharted 4 Prison Escape Level Textures
I had the honor of working on the Prison escape level. I was responsible for all the texturing and Tom Nemeth and Simon Craghead were the modelers on the level.