Curious who all will be on the Swiss Crown Jewel trip on May 17, 2023? In addition, would welcome tips on what to pack. We will be in Florence, Italy, for four days before taking train to Milan and then onward to Lousanne. We have our Gift of Time in Lousanne, arriving one day prior to when Tauck trip begins. Any suggestions on what to see there on our own? Particularly interested in clothing for Jungfraujoch.