decisive role in the development of coal mining in the Ruhr. According to the RegionalverbandRuhr (RVR, Ruhr Regional Association), 37.6% of the region's area
Nöllenheidt: Kultur an der Ruhr. Entdeckungsreise in die Kulturhauptstadt. Klartext, Essen 2010, ISBN 978-3-8375-0266-4 RegionalverbandRuhr (Hrsg.): Unter freiem
Ruhrseen (lit. The city between the Ruhr lakes). The city is located in the area of the RegionalverbandRuhr (RVR). The two Ruhr lakes as well as the forests
artist Jan Bormann, were also redesigned by citizens. In 2008, the RegionalverbandRuhr (RVR) requested an expert opinion because the citizens' unauthorised