bill wallpaperProviderpixabayResolution3888 × 2592Aspect ratio1.50:1AuthorGlaskorkenSourceOpen original page Download wallpaper Available sizesPreview150 × 99Web640 × 426Large3888 × 2592Tagsbillcolliery herten germanyherniatedewaldheadframeminingruhr areaindustrial parkindustrial heritagehard coal