When considering booking a ticket, please take into account that the event is a 100-minute tour with a reasonably fast walking pace, which involves going up and down the stairs. If you have a small baby in a shoulder cloth, please be prepared to carry him/her/them for the above stated time. Unfortunately, the route is not suitable for strollers and wheelchair users. If you are an elderly person or a pregnant woman, it is up to you to assess your health and fitness abilities. In our opinion, there are no counter indications, however if in doubt, always ask your General Practitioner.