We had a lunch break that allowed for a quick walk to Trafalgar Square. Along the way we saw a horse-mounted guard who guards a castle that is no longer a castle (but the guard is a popular photo opportunity!) and we saw the Queen. Well, certainly NOT the Queen, but an actress playing a reasonable facsimile.
Filming was taking place for some television or movie scenes and I was quickly shooed off. But my disarming 'Sorry, silly tourist' look worked as it always does.

