Wonderful tours that you do on bicycles with an expert tour guide. It shows the city in all its historical, cultural, political and social aspects. The tour runs at a slow pace on well-chosen trails that pass most of the city's major sights. There will be short stops with explanations about a particular teacher. On the tours there is enough time for pictures and questions and a coffee break and a snack if you bring it with you. Most of the tours are in English.