Kokerei Zollverein coking plant, UNESCO World Heritage Site, Essen, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

architecture area areas attraction attractions coking day daylight daytime during essen estate estates europe european exterior exteriors famous federal frg german germany heritage history industrial industrial industry known kokerei mine mines mining monument monuments nobody north nrw of outdoor park parks photo photos plant plants region regions renowned republic rhine rhine westphalia rhine westphalian ruhrgebiet seeing shot shots sight sights site site sites sites the tourist unesco well well known westphalia westphalian world worth zollverein