I made things a bit complicated by planning to switch hotels on Sunday, April 17. I knew this was an added complication at the time, but didn't realize thus would also be the day if the marathon. We will be checking out of a hotel in the City and into one at County Hall. We have to be at Fortnam & Mason at 1:30 for Tea and at Buckingham Palace from 5-7. I am looking for suggestions of how to get my family (with luggage) from one hotel to the other that day, and good ideas for how to spend that morning. I had been thinking we might ride the Eye if weather cooperated, or go to the British Museum. Is Speaker's corner active in the late morning? Do you think Harrods will be particularly crowded that day? Thank you.