Canary Wharf light

A very interesting walk today, up the back streets to Limehouse and Canary Wharf and into Trinity Buoy Wharf and the East India Dock Basin.  The latter two were new discoveries, and thanks to Paul Shelley for the recommendation.  Both were very interesting in different ways.  These lights on Fishermans Walk in Canary Wharf are rather splendid.  The extra are two non-working cranes I passed on the way near Limehouse. I can't find anything about them although Mr C tells me they look like a fairbairn steam crane - there is a famous one in Bristol where he used to live.