Siege of a castle 

Franz Pforr, a German artist active in the early 19th century, created this pencil sketch titled "Siege of a Castle." The drawing shows a castle perched atop a rocky hill, under siege by a group of soldiers. This scene, likely inspired by historical events, depicts a dramatic moment of conflict and tension, showcasing the artist's talent for capturing the detail of a military scene in an impressionistic style. This sketch is housed in the Städel Museum, Frankfurt.