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Odd Pictorial Of Russian Weapons Testing Fortress
The reason for it to have such a strange look is because it was used later by Russian army to test the influence of Russian alternative to napalm inside of the brick houses.

Due to very high temperature of napalm the bricks started melting just like ice melts in the spring forming the icicles, but those icicles are of red brick.
Posted by: Anonymoose 2009-02-11
http://www.rantburg.com/poparticle.php?ID=262250