This reminds me of water parks on the Greenway now.I love the idea of creating "rooms" of water. Water sculpture "Appearing Rooms" installation by Danish artist Jeppe Hein. In front of the Festival Hall in London
"Swing & Be Free, project by Bruno Taylor of adults used to play on the streets when they were young, only of children do so now. This project by 'Bruno Taylor' is a study into different ways of bringing play back into public space.