abstract appearance backdrop background backgrounds clumps dark grass grasses growth late-afternoon light reeds reflective river river-sand riverside rushes sand sandy shadows shining shore shoreline sunlight sunshine textures tides vegetation water water-levels wavlets wetlands-plant alight circles circles of light concepts contrast eyes fun functional futuristic glowing ideas lamp lighting miniature night night light night vision reflection robot robotic round shiny sight small torch useful visibility visible vision angles architectural architecture brown building color colors colour colours contrasting corrosion corrugated corrugations decay deterioration elements external metal old perspectives rough rust rusty surface surfaces texture uneven variations wall wearing weathering cloth coloration crease creased creases decorative draped drapery fabrics fashion feel folds layered layers materials patterned patterns soft surfaced surfacing tactile textiles thin touch bunched diaphanous see-through see-thru shimmering