The monument is free on the Saturdays and Sundays of the "European Heritage Days" which are organised on the 3rd weekend of September ; the 1st Sunday of the month (from 1 February to 31 May and from 1 November to 31 December).

Baggage:
No baggage deposit is offered within the monument.

E-ticket:
The e-ticket is to print at home or present on your mobile phone or tablet.