prompt wallpaper,illustration,depicting an eye-catching urban scene,with a bright yellow and blue train numbered "412" emerging from a large arched tunnel,the train occupies the lower part of the image,its front facing the audience above the tunnel,steep,rocky cliffs are covered with lush green plants and various structures,ranging from colorful small houses to larger industrial-looking buildings,randomly piled on the cliffs,some of them wobbly,the cliffs themselves are a mix of white and gray,with patches of green moss and vegetation,the buildings on the cliffs have varied colors,including red,orange and blue shadows,creating a vivid contrast with the natural green plants,small balconies,some potted plants,and many antennas and satellite dishes are visible on the buildings,emphasizing the color and dynamism of the urban landscape,the painting has a smooth texture,visible,delicate brushwork,the overall composition is dynamic and engaging.,