Machinery of Trade
Something that many Londoners have never done is to walk the Thames Path, especially in the more odd bits of the city. If you head west along the bank from the Tower of London, you come across the last preserved remnants of the busy dock it once was. Conveniently this is in Sugar Quay, just where the Zong is moored.
I'll bring you another picture from nearby tomorrow, although to be accurate as I am away for a few days, it will have to happen by magic.