River valley 

"River valley" is a pencil drawing by German artist Peter Becker, known for his landscapes. This work, housed in the Städel Museum, captures the beauty of a river winding through a valley. Becker’s masterful use of line and shading creates a sense of depth and texture, showcasing the rocky terrain and lush foliage. The composition is balanced, with the river leading the eye towards the distant hills. This piece exemplifies Becker’s talent for depicting the tranquility of nature in a realistic yet evocative style.