Nasser Al-Salem ‘The First Space Shuttle’ The Saudi Art Council bills “The Secrets of Alidades” — which runs until September 7 — as an exhibition that “intertwines cartography and astronomy in an allegorical perspective.” The show’s name “alludes to the pointers found on astrolabes (among other astronomical instruments) that assist us in observing distant objects and determining directions.” So the work on display focuses on travel and exploration — whether ...