This is Kensington Palace. The most famous recent resident would of course be Diana, Princess of Wales. It was originally purchased by William III. The future Queen Victoria was moved into the palace when she was finally made heiress presumptive. She would succeed to the throne after the death of William IV.
One of the many performers at Covent Garden. It had turned cold and was a little rainy. In the end he was off the unicycle but ended up juggling a chain saw instead of the knives.