The Grace of Silence: Louise Bourgeois, 1911-2010 » Louise Bourgeois, Cell (The Last Climb), 2008. Steel, glass, rubber, thread and wood, 151-1/2 x 157-1/2 x 118 inches. Collection National Gallery of Canada, Ottawa. Photo: Christopher Burke

Louise Bourgeois, Cell (The Last Climb), 2008. Steel, glass, rubber, thread and wood, 151-1/2 x 157-1/2 x 118 inches. Collection National Gallery of Canada, Ottawa. Photo: Christopher Burke

Louise Bourgeois, Cell (The Last Climb), 2008. Steel, glass, rubber, thread and wood, 151-1/2 x 157-1/2 x 118 inches. Collection National Gallery of Canada, Ottawa. Photo: Christopher Burke