[Construction of the Empire State Building.]

[Construction of the Empire State Building.]

[Construction of the Empire State Building.]

[Construction of the Empire State Building.]

[Construction of the Empire State Building.]

[Construction of the Empire State Building.]

[Construction of Empire State Building.]

[Construction of the Empire State Building.]

[Construction of the Empire State Building.]

[Construction of the Empire State Building.]

[Construction of the Empire State Building.]

[The Empire State Building under construction.]

[Empire State Building under construction.]

[Empire State Building under construction.]

[Empire State Building under construction.]

[Construction on the Empire State Building.]

[Construction of the Empire State Building.]

[Construction of the Empire State Building.]

[Empire State Building and blimp.]

[Empire State Building.]