Bathers by the Edge of a River Jean-Léon Gérôme (1824-1904)

The picture has something of this: water, people, outdoors, tree, recreation, architecture, leisure, tropical, man, palm, reflection, group, daylight, beach, exotic, fountain, dawn.
Perhaps it’s a painting of a group of people in a body of water with palm trees in the background and a building on the other side of the water.