Playground
"Playgrounds for small children under the age of six should be placed in the vicinity of the flat dwellings.” (This provision applies to all tenement houses containing 8 families and more.)
—Danmark, 1939
Comparison: Playground for children is common in Europe as necessity party in "people-friendly urban environment", for example in Berlin.
Key Characteristic:
Experiment:
Reference:
http://www.architekturfuerkinder.ch/index.php/geschichte/danmark/ https://www.spielplatztreff.de/spielplaetze/berlin https://www.ihrspielplatz.de/