Night landscape with the moon peeking through the cloudsNight landscape with the moon peeking through the clouds
Dawn in a clearing among dandelions on the seashoreDawn in a clearing among dandelions on the seashore
Sunset over the mountains, mighty trees, lush meadowsSunset over the mountains, mighty trees, lush meadows
Винтообразная кривая линия, образующая ряд оборотов вокруг точки или оси, а также проволока такой формы, пружина.