Vents
Plain wall with row of vents

 
Three square crops were extracted from a photo of a wall, from left to right. A panorama was stitched from the crops as an afterthought, and it appeared to be twice as wide as it is high, which is effectively two squares.

The design of the vents in the wall is adapted to the pattern of the steel cladding, with a narrow vertical dimension and a grill that resembles the ridges.


 
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Camera: Nikon FM3a, 24mm f/2.8 AI Nikkor
Film: Ilford FP4 Plus