New York City school children on the first day of school, 1915.
Source: Library of Congress, George Grantham Bain Collection

New York City school children on the first day of school, 1915.

Source: Library of Congress, George Grantham Bain Collection

Berenice Abbott, Penn Station, Interior, Manhattan, 1935-1938.
Source: New York Public Library

Berenice Abbott, Penn Station, Interior, Manhattan, 1935-1938.

Source: New York Public Library

Cervin Robinson, Pennsylvania Station, concourse view from south, Manhattan, April 1962.
Source: Library of Congress

Cervin Robinson, Pennsylvania Station, concourse view from south, Manhattan, April 1962.

Source: Library of Congress

Cervin Robinson, Pennsylvania Station, Main Concourse interior, New York City, April 1962.
Source: Library of Congress

Cervin Robinson, Pennsylvania Station, Main Concourse interior, New York City, April 1962.

Source: Library of Congress

Cervin Robinson, Pennsylvania Station, East (7th Avenue) facade, New York City, May 1962.
Source: Library of Congress

Cervin Robinson, Pennsylvania Station, East (7th Avenue) facade, New York City, May 1962.

Source: Library of Congress

The main waiting room at Pennsylvania Station, New York City, ca. 1911.

The main waiting room at Pennsylvania Station, New York City, ca. 1911.

Pennsylvania Station, New York City, ca. 1911.

Pennsylvania Station, New York City, ca. 1911.

The concourse and steps leading down to the platforms at Pennsylvania Station, New York City, ca. 1911.

The concourse and steps leading down to the platforms at Pennsylvania Station, New York City, ca. 1911.

Interior of the Long Island Railroad Station, Flatbush Avenue, Brooklyn, New York, ca. 1893.

Interior of the Long Island Railroad Station, Flatbush Avenue, Brooklyn, New York, ca. 1893.

Long Island Railroad station, Atlantic Ave., Brooklyn, New York, 1910.

Long Island Railroad station, Atlantic Ave., Brooklyn, New York, 1910.