Napoleon Bonaparte leading his troops over the bridge of Arcole Horace Vernet (1789-1863)

The picture has something of this: people, group, many, vehicle, man, smoke, military, flame, cavalry, skirmish, group together, weapon, transportation system, war, battle, watercraft, veil.
Perhaps it’s a painting of a group of men standing on a bridge over a body of water with a bunch of people on the other side of the bridge.