the horizon observatory wallpaperProviderpixabayResolution3571 × 2635Aspect ratio1.36:1AuthorAngelaHBSourceOpen original page Download wallpaper Available sizesPreview150 × 110Web640 × 472Large3571 × 2635Tagsthe horizon observatoryhalde hohewardherniatedruhr areaindustrial heritageheavendumpruhrpott