Are you staying in Zurich? Viator offers a free Zurich Highlights Tour if you book their Jungfraujoch and Bernese Oberland day trip. You need to book and travel before October 31.
Please see www.viator.com/tours/Z urich/Swiss-Alps-Day-Trip-from-Zurich-Jungfraujoch-and-Bernese-Oberland/d577-3885JUNG_ZRH.
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