FAQ Book a Tour
Does the booking voucher have to be printed or can I also have it on my phone?
It is not necessary to carry the printed voucher [...]
I made the reservation but I’m not sure if it was accepted. What can I do?
If you have not received an email with the [...]
To participate in a tour, do I need to book in advance or can I go to the meeting point that day and take the tour?
We always advise our customers not to show up [...]