Flandrin Hippolyte Jeune homme assis au bord de la mer Hippolyte Flandrin (1809-1864)

The picture has something of this: nude, people, water, shirtless, naked, portrait, reclining, model, relaxation, man, dug-out pool, sexy, topless, woman, beach, swimming pool.
Perhaps it’s a painting of a naked man sitting on top of a rock in front of a body of water with a mountain in the distance in the background.