bill wallpaperProviderpixabayResolution5840 × 3886Aspect ratio1.50:1AuthorTama66SourceOpen original page Download wallpaper Available sizesPreview150 × 100Web640 × 426Large5840 × 3886Tagsbillheadframeruhr areaminingindustryminemoneyindustrial plantindustrial heritagenorth rhine westphalia