The big boat is the cruiser HMS Belfast
which has been docked in London as a tourist attraction scince 1971.
The yacht "Scarlet Oyster" moored up next to it belongs to Dame Ellen MacArther, the World's fastest solo circumnavigator. She had sailed into town today on a charity mission
I've posted an item on the critiques forum
about the fourth picture in this set. If anyone has any advice I'd greatly appreciate it.