derivative work of the following images: File:Tula-Novomoskovsk_urban_agglomeration,_Russia.jpg licensed with PD-RU-exempt 2010-05-24T07:57:12Z Bogomolov.PL 2815x2653
Commons Attribution-Share Alike 2.0 Generic license. Attribution: Vent Agglomerate by Anne Burgess You are free: to share – to copy, distribute and transmit