[Sixth Avenue El and street excavation.]

[Sixth Avenue El and street excavation.]

[Sixth Avenue El.]

[Sixth Avenue El.]

[Sixth Avenue El.]

[Sixth Avenue El.]

[Sixth Avenue El.]

[Sixth Avenue El.]

[Demolition of the Sixth Avenue El.]

[Sixth Avenue El, 50th Street station.]

[Sixth Avenue El.]

[Sixth Avenue El.]

[Sixth Avenue El, Cortlandt Street.]

[Sixth Avenue El.]

[Sixth Avenue El.]

[Sixth Avenue El.]

[Traffic crossing under the Sixth Avenue El.]

[Demolition of the Sixth Avenue El.]

[Closed Sixth Avenue El station.]

[Sixth Avenue El being dismantled.]