HBM - a photo from the overcast day out at the Purton Hulks ship graveyard on the river Severn (https://en.wikipedia.org/wiki/Purton_Hulks).

Paul Barnett, a local historian, has documented a lot of research about the hulks, and has campaigned to provide them some form of protection from complete destruction. As a result, the vessel in the background - the Kennet barge Harriet" has been scheduled as an ancient monument, and included in the UK National Register of Historic Vessels". This is why it has a fence around it.