Giovanni Paolo Panini – Architectural ruins with the Arch of Janus, the Temple of Vesta and the equestrian statue of Marcus Aurelius Part 1 Louvre

The picture has something of this: people, group, woman, veil, wear, man, military, baroque, war, daylight, position, saint, many.
Perhaps it’s a painting of a group of people standing in front of a building with a horse on the other side of the painting and people.