Painting of a large stack of cardboard boxes in a realistic style, with a focus on the texture and shadows that create a three-dimensional effect. The boxes are piled high, with some overlapping and others leaning against each other, creating a sense of depth and volume. The color palette is muted, with the cardboard boxes rendered in various shades of brown and beige, and the background is a neutral, soft gradient that does not distract from the boxes themselves. The composition is balanced, wi