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Here's an ideal itinerary for 4 days in Zurich:
The Botanical Garden of the University of Zurich is a beautiful and diverse collection of plants from around the world, including many rare and endangered species. Visitors can explore the various themed gardens and greenhouses, as well as attend educational events and workshops.
Lindt Chocolate Factory Zurich is a chocolate lover's paradise, offering a wide range of premium chocolates and confectionery products. Visitors can take a tour of the factory to learn about the chocolate-making process and sample some of the delicious treats.
Swiss Science Center Technorama Zurich is an interactive science museum that offers hands-on exhibits and experiments for visitors of all ages. It aims to inspire curiosity and promote scientific understanding through fun and engaging activities.