contamination pumping station sewage waste waste water water quality Bin floating garbage litter Nyberg pool sailing water estuary mudflat pollute pollution rubber rubbish spoil tire tyre waterweed weed autumn bank clean disposal plant processing pure purify river still treatment trees basket buggy carriage cart damage dump grass market crash reflection shopping symbol transport trash trolley trundler urban decay vandalise wagon wheels animal bottles color colors colours critter dam duped dust ecology empty food hide mouse old paper plank rat seek wooden bathroom buttons ceramic convenience flush flushing liquid-waste loo man men men's-bathroom men-standing number1 passing-water pee peeing Restroom standing standing-men standing-only toilet urinal urinate urinating urine-container urine-containment wall appearance attendants brushed brushes carwash cleaners cleaning conveyor conveyorized drying equipment fixed cleaning mechanisms high pressure water streams human greeter mechanized mechanized car washes mitters nozzles protectants recycle reuse rinse rollers soaps soft cloth track trickling tunnel entrance tunnel exit tunnel washes vehicle wash stations washing processes waste-water water reuse window windscreen wraparounds