what's on ?
The one-time or temporary activities are designed for the individual visitor or visitors in non-organized groups, with family or friends. These activities are featured on the calendar. In general, reservation is not possible.
The offer for groups consists of guided tours tailored to the type of audience. This offer is always available but only by reservation. Once they have made their reservation for a particular date, groups can also review and possibly take-up the offer on the calendar.