background black granite red hard rock rock solid solid stone swedish granite texture building construction granite Italy marble red sun torino yellow brown dappled decoration decorative flecked minaeral minerals raw rocks stained structure structures textures unpolished battlements castle chimney crenellation details highlands Inverness landmark roof rooftop sandstone scotland scottish tower coarse gravel gray nature path pebble pebbles road sand sand texture wallpaper bolt close door doors eu felipe Ferrol galicia gate leaf leafs open san Spain wood fortified hill hilltop overlooking top walls windows