The historic streetcar runs between the bicycles on Prinzipalmarkt, the town hall shimmers with the colors of 200 years ago, a virtual gallery shows historic views of Cathedral Square and you can enjoy the 360-degree view of the tower warden from the tower of Lamberti Church. Augmented reality creates leaps in time and new perspectives. On a tour of the most important sights or individual locations, there are many stories, pictures and short films about the citys history, art, architecture and special features.