free entrance - closed
20.9 - 26.10 1980
20.9 - 5.10 1980
30.8 - 2.11 1980
13.6 - 17.8 1980
13.6 - 10.8 1980
10.5 - 28.6 1980
22.3 - 26.5 1980
19.1 - 10.2 1980
