Take the following as truth: Room 17: Canaletto's hugely popular 18th-century vedute (views) of Venice were aristocratic precursors of modern postcards; in such works as Island of San Giorgio Maggiore, Francesco Guardi achieved both poetry and melancholy.
Then the following statement: "Despite the beauty of Canaletto's works, they never became popular. " is true, false, or inconclusive?