free entrance - closed today
21.9 - 8.10 1995
18.5 - 21.5 1995
11.2 - 5.3 1995
25.11 1994
17.9 - 2.10 1994
16.4 - 29.5 1994
13.11 1993 - 6.2 1994
29.11 1993 - 6.2 1994
9.10 - 7.11 1993
