Redundant door

I have been examining the dry stone walls more closely than previously on my daily walks. The variations in construction are fascinating and seem to reflect signature styles. Some are much more durable than others but it is surprising how many seem to be damaged by creatures clambering over (or through them.) There are also some fascinating relics of use that have become redundant, presumably with changing farming practice. This small doorway, for example, has been filled in at some point in the past.
I also thought I would try it in B&W, inspired but the examples of other Blippers.