Coking plant, Zollverein Coal Mine Industrial Complex, UNESCO World Heritage Site, Essen, Ruhr, North Rhine-Westphalia, Germany, Europe

photography horizontal color image travel destinations travel outdoors day zollverein coal mine industrial complex unesco world heritage site essen ruhr north rhine westphalia germany europe coking plant no people building architecture mine cloud sky industry building exterior smoke stack architectural buildings clouds cloudy daytime outdoor outside travel destination tourist destination tourist destinations