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
The smooth surface of the river and the distant forest against the background of the evening sky in purple-pink tonesThe smooth surface of the river and the distant forest against the background of the evening sky in purple-pink tones
A smooth surface of water with rocks visible through itA smooth surface of water with rocks visible through it