grand prismatic spring wallpaperProviderpixabayResolution3010 × 2015Aspect ratio1.49:1AuthorMikeGoadSourceOpen original page Download wallpaper Available sizesPreview150 × 100Web640 × 428Large3010 × 2015Tagsgrand prismatic springthermalspringgrandprismaticyellowstonenationalparkgeothermalpool