The remnants of a causeway on the Thames foreshore below New Crane Stairs (at the turn in Wapping High Street where it heads to Garnet Street), London.
Only visible at very low tides. Photographed at 0.2m tide.
A model of the stairs above can be seen here: https://sketchfab.com/3d-models/new-crane-stairs-7accb9f414c94c39a63fd253e7b8619a
1645 photos taken in January 2022 with a Sony a7R III and processed in Reality Capture.