Steep stairs, steps, escalator, Zeche Zollverein, Zollverein Coal Mine Industrial Complex, Essen, North Rhine-Westphalia, Germany, Europe

abandoned aged architecture building buildings business closed coal complex cultural disused economy escalator essen europe european famous federal frg german germany heritage heritage indoor indoors industrial industrial industry inoperative inside interior known landmarked memorial memorials mine mine mines mining monument monuments nobody north nrw of old out out of service out of use photo preserved protected red renowned republic rhine rhine westphalia rhine westphalian seeing service sight sights site sites staircase staircases stairs stairway stairways steep steep step steps unesco use well well known westphalia westphalian world world worth zeche zollverein