A few weeks ago I wrote a post detailing some of the challenges faced by commuters in NYC. The entry entitled "NYC Street Quiz" dealt predominantly with the various ways urban city life can threaten one's ability to stay upright on a bike.
Well sometimes a squirrel finds a nut and while riding on the West Side bike path recently I saw this "filthy" path. Nature sure can be filthy . . . but nature's filth beats man's anytime.