active activity adult boy buoyancy buoyant canoe canoeing canoeists canoes canoing canoists double-bladed-paddle effort exercise father foliage keeping-fit leisure leisurely man movement moving outdoor outdoor-recreation outdoor-sports outdoors outside paddle paddle-blades paddling pastime recreation recreational risk risky river riverside safety seated sport transport transportation travel trees water waves wet workout lake lakes park scenic view waters amateur court game match play players sports tennis senior dusk horizon pond sail sailing sails swim yacht sunburn activities children’s-play-area children’s-playground climbing colors colours community double dual enjoying enjoyment equipment fun light orange outdoor-play-equipment plastic play-area playground playing public public-space shade shaded shadows shady sheltered slide suburban sunlight sunshine surface art bouncer bouncing butterfly green spring springing symmetry bridge grass greenery metal ropes shrubbery