Piece made with the trim sheet I created a few weeks ago, the rock was a scanned piece of rubble I had as a bit of interest, the rubber piping texture was created using UE4's builtin noise functions and the rock 'miring man in silhouette was a free to use asset from turbosquid
https://www.artstation.com/artwork/R3XZnv

The Material used for the scene, a larger breakdown can be seen here https://www.artstation.com/artwork/R3XZnv