In the large station hall (where no more trains run) at the group meeting point (red)
Depending on the tour, it ends at any desired location in the old town
1 hour 30 minutes to 2 hours
1 hour 30 minutes
3 hours 45 minutes
9 hours 30 minutes
7 hours 30 minutes
11 hours 30 minutes
9 hours 30 minutes
5 hours 15 minutes
11 hours 30 minutes