blue rubber surface of the playground with a lawn and circular trampolines sunk into the terrain. children can jump and do somersa

architecture area background black blue can carpet children circle circular color concrete design equipment flat garden grass green ground house jump kids lawn mat material natural nature outdoor park pattern pavement place playground playing public recessed recession rough rubber soft somersa somersault somersaults sports square street sunk surface terrain texture tiles trampolines trampolining trick tricks under urban various way white