P89502 - Greet Tunnel (South Portal), Gloucestershire - Railway Architecture

This was taken from a brake van at the rear of a Toddington - Cheltenham freight working for which I'd booked a place on.

I must admit I had some difficulty deciding which collection to put this in, as it wasn't a clear fit for any of them.  In the end, I decided that since it didn't really feature a train as such, I'd class it as "Railway Architecture" and put it into this collection.