卡通手绘风自然湖泊天鹅游动火车穿行森林雪山插画

Illustration, cartoon illustration, line illustration, super cartoon style, picture book style, light color matching, low saturation color matching,natural landscape photo, serene lake at center, dense forest surroundings, distant mountain range, clear blue sky, blue, green, and white color palette, tranquil and fresh atmosphere, realistic style，Add a few swans to the lake, and there is a Harmony Express train at the foot of the mountain