The wall of an old abandoned barn house has been built with three closed holes. I wonder what they are for.

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Size: 4752px × 3168px
Location: Matkaniva, Suomi
Photo credit: © Jukka Heinovirta / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: agriculture, architecture, autumn, barn, building, clouds, door, farming, fields, finland, frame, hinge, matkaniva, nature, oulainen, outdoors, sky, summer, support, wall, willowherb, window, wooden