Asia bottles civilisation contamination damage danger death decay Dirt dirty disaster disposal dump ecological ecology ecosystem Eichhornia environment environmental fish garbage grunge hyacinth invasive nature patterns of decay plastic poison pollute polluted pollution poor problem problems recycle river rubbish scrap sewage toxic trash unhygienic urban urban decay warning waste water agricultural-land agriculture artificial Australian bits-and-pieces brown clouds colors colours country crops cultivated cultivation farming farms fence fields fodder green growth humor humour immobile inactive inert land lifeless light makebelieve metalwork motionless nearby paddocks parked pasture perspective pretend-farm-transport roadside rural-area scrap-metal-sculpture sky Soil static stationary surfaces trees unmoving vast vegetation