[Unidentified building.]
[Construction of an unidentified building.]
[Unidentified commercial building.]
[Unidentified buildings.]
[Unidentified building under construction.]
[Construction of apartment buildings.]
[Construction of building at the New York World's Fair site.]
[Commercial building.]
Building. Construction view
[Brick building, construction view.]
[Construction of the RCA building, New York World's Fair.]
[Building construction.]