Taking 3 planes to arrive in Berlin was exhausting. A flight from Boston not JFK would have been much better. I will pay closer attention to this in the future. Upon arrival at hotel we had about an hour to pull ourselves together for a walking tour of Berlin. It was too much on a travel day. Our guide Oliver was very nice and considerate of our needs and comfort. Always counting and checking on us Staying in only 3 hotels was very good. The cruise on the river was hot and crowded. The staff cranky. A death march back to the bus. Maybe over a mile walk in hot sun. Awful. !! Overall it’s a trip I learned a lot A pleasant group overall.