Transformation of the Environment: Influence of “Urban Reagents” : German and Russian Case Studies An urban regeneration manifests itself through urban objects operating as change agents. The en tailed diverse effects on the surroundings demonstrate experimental origin an experiment as a preplanned but unpredictable method. An understanding of influences and features of urban ob jects requires scrutiny due to a high potential of the elements to force an alteration and reactions. This dissertation explores the transformation of the milieu and mechanisms of this transformation.