Why were concrete visors placed on the windows of some Soviet buildings?


Bodryachek
 
Why were concrete visors placed on the windows of some Soviet buildings?
Source
Why were concrete visors placed on the windows of some Soviet buildings? - Technologies, Informative, the USSR, Longpost
Why were concrete visors placed on the windows of some Soviet buildings? - Technologies, Informative, the USSR, Longpost
Why were concrete visors placed on the windows of some Soviet buildings? - Technologies, Informative, the USSR, Longpost

Informative the USSR Technologies
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