[Beginning demolition of 6th Avenue El.]

[Beginning demolition of 6th Avenue El.]

[Beginning demolition of 6th Avenue El.]

[Beginning demolition of 6th Avenue El.]

[Beginning demolition of 9th Avenue El.]

[Beginning demolition of 9th Avenue El.]

[Beginning demolition of 9th Avenue El.]

[Beginning demolition of 9th Avenue El.]

[The 6th Avenue "El".]

[Demolition of 6th Avenue El.]

[Third Avenue El at 6th Street.]

[53rd Street, looking west between 6th and 7th Avenues.]

[Third Avenue El at 6th Street.]

[Third Avenue El at 6th Street.]

[Demolition of the Sixth Avenue El.]

[Construction of 6th Avenue subway.]

[Third Avenue El at 6th Street.]

[Demolition of the Sixth Avenue El.]

[Third Avenue El, north from 6th Street.]

[Demolition of the Sixth Avenue El.]