I’d be with Carl on pretty much all his comments,
it is almost an abstraction, an architect or engineer might want to see more of the structural connections-
I’ve been meaning to have a look under there for years now,
maybe this is the prompt I needed-
THank for your comments guys. I couldn’t decide on the levels in this one and experimented for a few days. The brighter the image gets them more grime you can notice so the image I went with the darker options.