Blackfriars closed over Christmas for an extended blockade. This was to allow the through tracks from City Thameslink to London Bridge to be slewed from the west to the east side of Saint Pauls Bridge ,eliminating the conflicting movements between trains going to and coming from the direction of Herne Hill and Elephant and Castle and the spur over Borough Market to London Bridge. On the last day of public operation prior to the closure James Robinson went mud larking on the banks of the Thames ...