free entrance - closed today
21.4 - 28.5 1978
22.3 - 16.4 1978
22.3 - 7.5 1978
22.3 - 28.5 1978
4.2 - 5.3 1978
17.12 1977 - 5.3 1978
1.10 - 16.10 1977
1.10 - 9.10 1977
9.9 - 28.9 1977
