activities angles architectural-elements architecture chemical-sanitation chlorinated covered exercise filled full glass heated hot-tub hydrotherapy indoor-pool indoors inside interior jacuzzi leisure light lighting lit maintained monitored paddling-pool recliners reclining recreation reflections relaxation sanitized seating shelter sheltered spa-pool swimming swimming-bath swimming-pool undercover wading-pool warm water windows active adult alongside bicycles bikes boy child confidence crash-helmet cycle cycling cyclist energetic energy environmentally-friendly fit fitness helmet helmets learning movement moving on-the-move outdoors outing path pathway pedal-power pedalling pedals pushbikes safety safety-helmets sport sporty supervised track trainer-wheels transport transportation travel travelling trees wheels youngster activity buoyancy buoyant canoe canoeing canoeists canoes canoing canoists double-bladed-paddle effort father foliage keeping-fit leisurely man outdoor outdoor-recreation outdoor-sports outside paddle paddle-blades paddling pastime recreational risk risky river riverside seated waves wet workout accommodation backpacks balconies crash-helmets cyclists group housing Morning palms prepared road shadows spokes sunlight sunshine 1-hour-mechanical-timer 60-minute-visual-timer alarm alert anti-clockwise bell-tone-ring case classroom-teaching-tool clock-wise cooking-timer countdown-timer dial divisions fitness-exercise-timer games-timer internal-mechanism internal-spring kitchen-timer mechanical-countdown-clock mechanical-timer minutes multi-use-timer numbers photography-darkroom-timer plastic pointer ticking-timer time-management time-up-bell white