abstract backgrounds black brick concrete copy design dirty down floor gray grey hard herringbone horizontal joints macro mortar old outdoor outdoors path patio pattern paving pedestrian rectangle rock rough shape sidewalk stone street surface texture textured urban walkway circle circular curved curves edge edges edging effective flexible flies fly-killer fly-swat hand-power handle household-device household-item lined lines pest-control plastic radiating rectangular red slits smooth spaces surfaces symmetry appearance background color colored colors colour coloured colours cover covered covering grain grained mustard muted panel paneling panelling patterned patterns soft striped stripes surfaced textures uneven wall wallpaper squared squares angled angles bricks colorful colourful Designs detailed detailing distinctive footpath grooves ground level light pavement pavers paving-bricks shaped shapes stones stonework