Bridge over a Cascade, Oil on canvas, 32 x 54 1/8 in. (81. 3 x 137. 5 cm), Paintings, Hubert Robert (French, Paris 1733?1808 Paris), This overdoor is one of a pair; its pendant, of almost exactly the same dimensions, is Aqueduct in Ruins. The two were perhaps acquired by David ?tienne Rouille de l'?tang for the great house that he remodeled at 6, place Louis XV, later place de la Concorde, in the last quarter of the eighteenth century