Tower Bridge framing the Post Office/British Telecom Tower which stands at 581', the five Olympic rings are normally suspended from the top arch of Tower Bridge but it is my guess that they were retracted into flattened position to allow the bascule arms to be raised
Looking back down river whilst in The Pool of London
From where we were situated in taking the above picture, I looked at the top of the building thinking that it hadn't been completed so I zoomed in, although there is glass right up the pinnacle, the inside still looks unfinished, some of the apartments within are supposed to priced at £30-£50 million each, I expect Wayne Rooney will snap up two!
In the centre foreground is the Royal Barge, The Spirit of Chartwell, used to transport the The Queen and other senior members of the Royal Family from Battersea to Tower Bridge, it really does not look like the same boat until I read the name on the bow. HMS Belfast to its right with the newly completed Shard in the background