active activities adults care children children’s-play-area children’s-playground climbing colorful colourful community enjoying enjoyment equipment families fun grass greenery kids lawns leisure light parents park parks path play play-area playground playing public-space recreation recreational safety sand sandpit sandy seating shade shaded shadows shady sheltered slides slope sloping suburban sunlight sunshine trees adventure adventure-playground climbing-nets climbing-ropes colors colours ground nets netting open parkland peaceful perspective plants posts public quiet relaxing roped ropes secure textures tranquil views boy boys background barrier bolders boulders carved carvings color colour constructed cover covered crawling dark entrance exit hiding lookout rocks shelter tunnel uneven woodwork appropriate-behavior appropriate-behaviour beams communicating communication green informing limitations limited limits rules sign warning weathered white frame shapes supervision cubby hut children’s playground grassed area play area playing fields supervise supervising swings