For my brother's last full day in London, we decided to walk to a couple medieval Churches located within close proximity of each other and then took in St. Paul's Cathedral (from the outside anyway). Each of these buildings were very impressive, adding to the long list of memorable things we've seen on this trip. It is too bad that the weather had to get nasty though - it was raining and very cold today so we had to head back to the room and shower/change clothes before we went out again. We then saw the Tower of London, another fascinating sight with a lot of history. The White Tower and the Crown Jewels were especially impressive.