Masks are mandatory. You must ensure that you comply with the health regulations at the day of your visit to an establishment open to the public.
The dates colored in red on the calendar are fully booked. The dates colored in grey are not available. You must absolutely book a time for your visit before the day of your visit. Online reservations are not possible the same day. You can buy your ticket on the spot, only if there are tickets available this day (limited tickets per day).
No baggage deposit is offered within the monument.
The e-ticket is to print at home or present on your mobile phone or tablet.