Along the Great Siberian Way (In exile) Nikolay Sverchkov (1817-1898)

The picture has something of this: transportation system, people, cavalry, vehicle, man, war, seated, two, mammal, soldier, military, weapon, group, skirmish.
Perhaps it’s a painting of a group of men riding on the backs of horses next to a man on a horse in a body of water with a boat in the background.