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You can go to the starting point: Hohenzollernbrücke. Check the email you received from us with further explanation and the login information for the special app. There is no guide. The game automatically takes you to all the beautiful spots in the center of Cologne.
2 hours to 4 hours
1 hour 30 minutes
3 hours to 7 hours
2 hours to 3 hours
2 hours to 6 hours