bacterial mats at grand prismatic wallpaperProviderpixabayResolution3000 × 1995Aspect ratio1.50:1AuthorMikeGoadSourceOpen original page Download wallpaper Available sizesPreview150 × 99Web640 × 425Large3000 × 1995Tagsbacterial mats at grand prismaticspringhotyellowstonenationalparkwyomingnaturewaterthermal