15/07 - 28/07: each day at 14:00 - 15:15 - 16:30
29/07 - 20/08: each day at 11:45 - 12:45 - 14:00 - 15:15 - 16:15
21/08 - 27/08: each day at 14:00 - 15:15 - 16:15
28/08 - 31/08: each day at 14:30 - 16:00 (except 28/08 at 14:00 - 15:00)
April/May/June/Sept/Okt: at demand for groups