Jean-Baptiste-Camille Corot, French, 1796-1875 – Wall, Côtes-du-Nord, Brittany Philadelphia Museum of Art

The picture has something of this: mammal, people, group, landscape, two, hill, outdoors, lithograph, cavalry, daylight, mountain, cropland, grassland, man, cattle.
Perhaps it’s a painting of a group of people walking on a dirt road in a hilly area with hills in the background and a sky with clouds.