Skulls and feathers, bodies and mountains, bones and shells are highlighted against blue skies and blue walls in “Georgia O’Keeffe and Henry Moore: Giants of Modern Art” currently on view at the Montreal Museum of Fine Arts (MMFA). The artists are equally well-known and beloved but put them together, and their work takes on added dimensions. When you view Moore’s white curves, polished and shining, juxtaposed with O’Keeffe’s stark white bones hovering in the sky, you see both artist’s work anew.