[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 6th Avenue El.]

[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.]

[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.]

[Third Avenue El at 6th Street.]

[Dismantling the Third Avenue El at 6th Street.]

[Cutting the rails of the Third Avenue El.]

[Construction at 6th Avenue and 34th Street.]

[Third Avenue El.]

[Construction of 6th Avenue subway.]