Horizontobservatorium, observatory, on Hoheward slag heap, Herten, Ruhr area, North Rhine-Westphalia, Germany, Europe

architecture area art astronomical astronomy atmosphere building buildings cultural culturally culture cultures europe european evening exterior exteriors federal frg german germany heap herten hoheward horizontobservatorium modern mood nobody north nrw observatories observatory of on outdoor photo photos republic rhine rhine westphalia rhine westphalian ruhr shot shots slag westphalia westphalian work works