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Filter is watching you!

This part of the filter-ventilation units, which is a mandatory attribute of civil defense structures
© Lana-Sator





Source:
Pictures
Small Fort Petit Ouvrage de Rohrbach
Bomb shelters in Kyiv
Again station Volokolamskaya
Tower guns or what is left.
Fortified area №62
Vibration-proof way to the line Zamoskvoretskaya
USSR in pictures, part 3
Secret Moscow Metro
Products with beneficial skin
The most mystical night of summer and how to spend it, so that all year luck follows you on your heels
...
Small Fort Petit Ouvrage de Rohrbach
...
Bomb shelters in Kyiv
...
Again station Volokolamskaya
...
Tower guns or what is left.
...
Fortified area №62
...
Vibration-proof way to the line Zamoskvoretskaya
...
USSR in pictures, part 3
...
Secret Moscow Metro
...
Products with beneficial skin
...
The most mystical night of summer and how to spend it, so that all year luck follows you on your heels
 Suit for travel in the metro  Production of caviar in the second half of the XX century