. "From a set of continents. Identical with one of the four allegorical paintings in the Grand Staircase at the Royal Opera House, Covent Garden. The paintings are unattributed.\n\nOur records are informed by research done by Jean-Francois Luneau and Bruno Ythier - publication of their research is forthcoming."@en . "From a set of continents. Identical with one of the four allegorical paintings in the Grand Staircase at the Royal Opera House, Covent Garden. The paintings are unattributed.\n\nOur records are informed by research done by Jean-Francois Luneau and Bruno Ythier - publication of their research is forthcoming."@en . . .