A graffiti covered concrete block located at the east end of Silwood Street, Millwall, London.
There are several old looking concrete blocks in this area and seem to have been used to block vehicle access to the railway line. I wonder if they could be anti-tank blocks from World War 2 but I have no evidence for this apart from their location.
204 photos taken in February 2022 with a Sony a7R III and processed in Reality Capture.