Bagger im Braunkohletagebau Hambach, NRWOwner Mertenmedia Typ Video Id HMN000048North Rhine-WestphaliaBraunkohleenergy supplyRWEpower stationexcavatorGermanyquarryextractionRhenish lignite mining areacoalCentral EuropeHambach surface minepollutionsurface miningindustrial sectorlignite mining