active activities adventure adventurous care children children’s-playground climbing community designed enjoying enjoyment equipment families fun kids leisure move movement moving parents park parks planned play play-area playground playing prepared recreation recreational safety sand sandpits shade shaded shadows sheltered slides suburban sunlight sunshine supervise supervising supervision swings trees variety adults children’s playground colorful colourful grass grassed area green greenery play area playing fields sandpit adventure-playground background barrier bolders boulders carved carvings color colour constructed cover covered crawling cubby dark entrance exit hiding hut light lookout rocks shady shelter tunnel uneven woodwork bridge colors colours direction distant evergreens ground open parkland path paths peaceful perspective plants public quiet relaxing reserve reserve-park steps stream textures track tracks tranquil views