They are unusual, aren't they? If only one building looked that way, then I would say it was attributable to the age of the photo. Given that both look that way, it must be some finish with which I am not familiar.
I think that unusual pattern on the outer walls is "alpine camoflague." Instead of the forest/grass patterns for combat fatigues meant for ground cover, these alpine patterns may have been intended as screens from air surveillance.
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Those buildings seem to have an unusual surface.
They are unusual, aren't they? If only one building looked that way, then I would say it was attributable to the age of the photo. Given that both look that way, it must be some finish with which I am not familiar.
I think that unusual pattern on the outer walls is "alpine camoflague." Instead of the forest/grass patterns for combat fatigues meant for ground cover, these alpine patterns may have been intended as screens from air surveillance.
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