Already, as we walked through Heathrow Airport, I realized this trip was going to be different. This is possibly our seventh (or so) trip to London. We have long ago done the regular touristy things – watching the changing of the guard, visiting the Tower of London, riding the London Eye … and on and on. This time we had in mind some very different things. We intended to pick up some things we had never done – even one or two that others do straight away, like going to the fa