[Boats.]

[Boats passing under the Brooklyn Bridge.]

[Verrazano Bridge under construction.]

[Verrazano Bridge under construction.]

Queensboro Bridge, Under Construction.

Queensboro Bridge Under Construction.

[Vaulted space under the Manhattan approach to the Queensboro Bridge.]

[Bronx Whitestone Bridge.]

[Bronx Whitestone Bridge.]

[Bronx Whitestone Bridge.]

[Bronx Whitestone Bridge.]

[Bronx Whitestone Bridge.]

[Bronx Whitestone Bridge.]

[Hell Gate Bridge.]

Queensboro Bridge. View of bridge framework from Suicide Balcony.

[Hell Gate Bridge.]

Verrazano-Narrows Bridge, Vertical View of Man and Handrail on Bridge

Verrazano-Narrows Bridge, Horizontal View of Man and Handrail on Bridge

Williamsburgh Bridge, entrance approach.

[Manhattan Bridge.]