ANSWER-- This is too easy. It is south corridor on Spring St. floor of the City Hall. At the end, to the left, the Mayor's office; to the right, offices of City Councilmen. Photo was made from City Hall's rotunda
ANSWER: Sure, it's the Spring St. entrance to the City hall, the picture being taken from north to south to show the row of pillars from a seldom-seen angle. And how many of the thousands of persons who pass here daily have bothered to notice the fancy colorful tilework over this pillared portal?