appearance color coloration colored colorful coloring colour coloured colourful colouring covering decorative design distinctive elements exterior external grained grains grainy panel pattern patterned patterns rough sand sandstone sandstone-sheets sandstone-tiles sandy tiles unusual aqua aquarium background beauty blue calm conservation diving ecology fresh graphic health holiday lake light moisture nature pond pool rays recreation reflections relaxation ripples scrapbooking serenity silent summer swim tourism tranquility travel underwater water abstract aging art backdrop brown concept creation decay fill grunge grungy illustration image industrial metal mottled New old original oxidisation paint red render ruin rust sepia style texture unique urban vector weathered pink purple access angle angled angles architectural architecture brickwork curved curving passage passageway path pathway paved paving pedestrian pedestrians practical protective safe safety shade shadows shiny slant slanting slope sloping smooth stonework sunlight sunshine through underpass wall 3D album beige border collage copyspace cream four frame memories photo picture polaroid style retro scratches shadow snapshot square white handrail