[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.]

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

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

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

[Construction at the New York World's Fair site, showing Trylon and Perisphere.]

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

[Detail of pavilion during construction of the New York World's Fair site.]

[Construction at the New York World's Fair site, showing Trylon and Perisphere.]

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

[Construction of building at 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.]

[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.]