There is a subtle eroticism in this night scene. Can you locate the suggestive clues? Enclosed in its own private space to the lower left is a roofed pleasure boat. Two pairs of clogs rest in the bow, hinting at a tryst on board, and barely perceptible is the faint silhouette of a woman's head and shoulders behind the lowered blinds. One commentator has proposed that the agitated waves below are similarly suggestive.