We bought the full day tickets and took all 3 of the tours. My favorite one was the city Tours run approximately every 30 minutes and have headphones which provide many different lanuages. The Ring Route was our favorite because it was in an open top bus, which was perfect for our warm September weekend. There are also two more lines included in the ticket price, the Donau Route and the Schonbrunn Route, which stop less frequent but let you experience the more distant parts of Vienna. Overall, a great attraction and at very reasonable price. A must do!
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