You’ll never guess. It’s on Grant Street in Pittsburgh, PA, USA. This is the Union Trust Building with its roof of terracotta tiles and dormers and facade of limestone, one of the first “indoor arcades” or malls in the country, built in 1916 by Henry Clay Frick, modeled after a Gothic-style European building. Apparently he had a little bit of extra cash in his pocket.
Here it takes in the reflected morning sun reflected from the building across the street.