Walkway at Balboa Park in San Diego, California

aisle american america arcades arcade arches architecture archway arch balboa park buildings building californian california colonade colonnade columned hall column construction corridors corridor deserted empty gardens halls hall nobody no one no people north america park passage pillared pillar hall pillars pillar porticoes portico round arches round arch round san diego structure uninhabited united states of america united states us american us america usa walkway