Felsbrocken an einem grasbewachsenen Hang 

This pen and ink drawing titled "Felsbrocken an einem grasbewachsenen Hang" by Franz Kobell, a renowned 18th-century German artist, depicts a large rock formation situated on a grassy slope, the lines of the rock are rendered with meticulous detail, adding to the naturalism of the artwork. The single tree in the background adds a touch of depth to the composition, highlighting the artist's keen interest in the intricacies of nature. This artwork, currently housed in the Städel Museum, is a testament to Kobell's artistic virtuosity and his ability to capture the essence of the natural world with remarkable precision.