[Upper stories of unidentified building.]

[Unidentified building.]

[Interior, upper story.]

[Upper stories of the Astor Trust building, 501 Fifth Avenue.]

[Unidentified building.]

[Unidentified building.]

[Unidentified building.]

[Unidentified building.]

[Unidentified building.]

[Unidentified row of buildings.]

[Unidentified apartment buildings.]

[Unidentified building.]

[Unidentified building.]

[Unidentified commercial building.]

[Unidentified apartment buildings.]

[Unidentified apartment building.]

[Unidentified row of apartment buildings.]

[Unidentified building.]

[Unidentified building.]

[Construction of unidentified building.]