Russian army crossing over the Danube at Zimnitsa, June 15, 1877. 1883. Nikolay Dmitriev-Orenburgsky (1837-1898)

The picture has something of this: vehicle, people, watercraft, water, transportation system, group, landscape, recreation, seashore, many, man, calamity, rowboat, ship, sea, action, river, ocean.
Perhaps it’s a painting of a group of men standing on a boat in a body of water with other boats in the water and onlookers.