abstract background brown grunge grungy marble rock sand stone stone texture yellow aged beige holes natural pastel rocks rough stones structure structures textures weathered appearance blended color colored colorful colour coloured colourful connected connections contoured contours contrast contrasting decorative design details edge edged edges green interconnected interlaced interlinked interwoven light marbling multicolored multicoloured patterned patterns perspectives pink shape shaped shapes style textured thick thin vibrant wallpaper building construction granite Italy red sun torino isolated lines marbled pattern sedimentary strata wavy bright circle circular cogwheel round rounded surfaces surfacing swirling swirls blue geographic purple colors colours fiery flow flowing mottled paint surface backdrop curves decoration geometric geometrical intermeshed looped loops smooth white artistic cushioned