Corrosion
The elements on the Pennine moors have seen fit to reduce this steel nut to an oxidised, flaking mess that not even a protective coating of the Water Board’s all-weather blue paint could hope to prevent.
*Shot on a Ricoh GRD ll 10mp digital camera with settings at ISO-200, fixed lens set at 28mm, aperture at f/4, centre average meter mode and an exposure time of 1/45 seconds*