serene watercolor painting of autumn mountains and water

watercolor painting water mountains autumn serene pastoral scenes yellow white ruslan lobanov spiky mounds realistic blue skies zeng chuangxing pentax 645n dnieper river willow trees poplar sky field art landscape nature scenic peaceful tranquil beautiful colorful artwork technique colors mountain scenery surrounded mountains captures beauty hues complemented sky high-contrast shading adds depth expansive creating picturesque scene generated