Absetzbagger, Tagebau, Braunkohletagebau Garzweiler, NRWOwner Mertenmedia Typ Video Id HMN004609North Rhine-WestphaliaGermanyquarryenvironmental effectsGarzweiler surface mineRhenish lignite mining areabucket-wheel excavatorminingpollutionsurface miningindustrial sectorenvironmental protection