Spielplatz is closed to non members in the Winter.
The International Naturist Federation defines naturism as:
Naturism is a way of life in harmony with nature characterised by the practice of communal nudity with the intention of encouraging self-respect, respect for others and for the environment.
British Naturism offers this advice:
When you shed your clothes you also shed just a few of the burdens of everyday life. The feeling of liberation, discovery and freedom is something that you cannot describe.