OK, I think I'm pretty much done with this. Here is the latest and quite possibly final version. Unless I put some kind of border, etc around the outside.
Thanks to all for their comments, critiques and suggestions.
1) Added some scattered piles of rubble
2) Added bracing timbers in most of the smaller "tunnels"
3) "Damaged Up" the tracks in spots, especially where it got a wit "wonky"
4) Added a outside light source in the NW corner - hopefully I didn't overdo it
### Latest WIP ###