GeoGraph - photograph every grid square

Laid to rest alongside each other, these two dissimilar objects, one man-made, one natural, are following their parallel paths to dissolution. The salt in the estuarial water is attacking the old pipe while it is possibly delaying the rot of the old trunk. Compare too the subtleties of Nature's work to the plainness of Man's. (Beyond the decaying couple are the waters of the Stour, 2 hours before high tide.)