EditorialThe Nymphaeum of the Villa di Papa Giulio, Rome, ca. 1761, Red chalk, with framing lines in pen and brown ink, 15 9/16 x 20 3/4 in. (39.8 x 53.0 cm), Drawings, Hubert Robert (French, Paris 1733?1808 Paris), Over the course of his eleven year stay in Ro...