[Beginning demolition of 6th Avenue El.]
[Demolition of 6th 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.]
[Dismantling the Third Avenue El at 6th Street.]
[Third Avenue El, north from 6th Street.]
[Construction of 6th Avenue subway.]
[Cutting the rails of the Third Avenue El.]
[Dismantling the Third Avenue El.]