“…However, the high inertia of the cultural core does not lead to the urban culture protection, it functions as open system, the changes of which are metabolic (Babintsev et al, 2019), that is, they are carried out in four successive stages: the accumulation of "substances", their transformation during decomposition of "substances" into simple and simultaneous formation and consumption of complex "substances"; discharge of waste into the environment; and their subsequent transformation (Ermolaeva et al, 2019;Kennedy et al, 2007;Tarr, 2002;Warren-Rhodes & Koenig, 2001).…”