License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Canaletto (Giovanni Antonio Canal). The Locks at Dolo, an oval-shaped basin with boats at center, buildings on either side, a fruit vendor and groups of figures in the foreground, from "Views" (Vedute altre prese da i luoghi altre ideate da Antonio Canal), 1735–46. The Metropolitan Museum of Art.