Panama-Pacific International Exposition, 1915 [barrel vault passages]

A series of tall barrel vault passageways, receding along two parralel lines. The structures that form the passageways are also very tall, and the foremost structure contains a column separating the two passageways. Along the top of the foremost structure are inscriptions reading 'SCORPIO', 'SAGITTARIVS' (Sagittarius), and 'CAPRICORNVS' (Capricornus).