Weaving plant in the Ivanovo region and brewery in Kaliningrad, elevator in Chelyabinsk and metallurgical plant in Yekaterinburg. In the new series of the cycle, historian Alexander Mozhaev recounts the fascinating plants and factories that can still be seen in time. Industrial architecture is an underestimated and therefore little studied genre. Over the last twenty years, its value has been considerably rethought, the concepts of "industrial conversion" and "redevelopment" have become fashionable. Today, the attitude towards old industrial buildings is one of the indicators of the promoters' civilization. On the one hand, there are many examples of successful reconstruction of old factories with adaptation to modern needs. On the other hand, remarkable objects are disappearing (for example, Metrowagonmash in Mytishchi, demolished in 2018). Other monuments are suffering from aggressive reconstruction: the threat hangs over the famous Tryokhgorny brewery complex in Moscow. Many hand-bu