Riverbank at Sunset (Jiangdi Wanjing Tu) is a monumental work attributed to Dong Yuan, the foundational master of the Southern School of Chinese landscape painting during the Five Dynasties and Ten Kingdoms period. This painting is celebrated for its ability to evoke the lush, humid atmosphere of the Jiangnan region, capturing the ephemeral beauty of a river valley as day transitions into evening.

The composition is a classic example of "Level Distance" (pingyuan), where the viewer’s eye is led across vast stretches of water to undulating hills. Dong Yuan utilized his signature "hemp-fiber" strokes (pima cun) to describe the soft, soil-rich mountains, a stark contrast to the jagged rocks of Northern styles. The integration of "alum lumps" (fanto) on the ridges adds texture and a sense of organic growth to the landscape. Unlike many monochrome ink works of the era, this piece often features light mineral colors—ochre and subtle greens—which enhance the "sunset" glow and the vitality of the flora.

One of the most striking features of Riverbank at Sunset is its atmospheric perspective. Dong Yuan masterfully employed ink wash and "dotting" techniques (dian cuo) to represent distant forests and the misty air hanging over the river. The small figures and dwellings scattered along the bank serve to emphasize the grandeur of nature, creating a sense of poetic reclusion that would become a hallmark of literati painting in later dynasties.

From a historical perspective, the work represents the pinnacle of Southern Tang court art. It reflects a shift toward naturalism and interiority, prioritizing the "spirit resonance" (qiyun) of the landscape over mere structural accuracy. Today, it is regarded as an essential link in the evolution of Shanshui painting, influencing everyone from the Four Masters of the Yuan to the Qing Dynasty orthodox school. Its presence in a collection signifies a profound appreciation for the origins of the Southern aesthetic.