The brush should go smoothly when playing the pianoThe brush should go smoothly when playing the piano
The natural beauty of nature clear water and smooth turned stonesThe natural beauty of nature clear water and smooth turned stones
Morning comes the road running forward with a smooth turnMorning comes the road running forward with a smooth turn
Sunset of a lake over a smooth lake in which the planet is reflectedSunset of a lake over a smooth lake in which the planet is reflected