[Construction of the New York World's Fair site. Men working on gas exhibit.]

[Men working at the New York World's Fair construction site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Men working at the New York World's Fair construction site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Men working at the New York World's Fair construction site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[New York World's Fair site under construction.]

[Construction of the Communication Zone, New York World's Fair site.]

[Exhibit at the New York World's Fair.]

[Construction of the New York World's Fair site.]

[Construction of the New York World's Fair site.]

[Construction site of the New York World's Fair.]

[Construction of the New York World's Fair site.]