Siege of Constantine, October 13, 1837 Horace Vernet (1789-1863)

The picture has something of this: people, group, many, war, military, skirmish, army, battle, soldier, crowd, man, smoke, weapon, wear, group together, landscape, calamity, cavalry, vehicle.
Perhaps it’s a painting of a large group of people standing in front of a group of buildings with smoke pouring out of the top of the buildings onlookers.