Self-evidently, people of different ages require different sorts of parkspace. The Congress International d'Architecture Moderne (CIAM) was the first body to give serious attention to the problem. Unfortunately, they saw age as a functional issue. Their ideas may be caricatured as follows:
There was a core of profound sense in the CIAM proposals. Unfortunately, they forgot that "character is destiny'. The success or failure of an open space depends upon its character, not just its facilities.