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 adventure-playground bridge carved carvings colors colours direction distant evergreens ground light open parkland path paths peaceful perspective plants public quiet relaxing reserve reserve-park shady steps stream textures track tracks tranquil views