[Inner courtyard of 1 East 91st Street.]

[Inner courtyard of 1 East 91st Street.]

[1, 3, 5 and 7 East 78th Street.]

Fifth Avenue and 52nd Street [Fifth Avenue, 40th Street to 54th Street]

River House. View from along 52nd Street.

River House. 52nd Street entrance from within.

[Ukrainian Institute of America, 2 East 79th Street.]

[Ukrainian Institute of America, 2 East 79th Street.]

[Ukrainian Institute of America, 2 East 79th Street.]

Fifth Avenue and 52nd Street [Fifth Avenue, 40th Street to 54th Street]

[The Jewish Museum, 1109 Fifth Avenue.]

Fifth Avenue and 52nd Street [Fifth Avenue, 40th Street to 54th Street]

[Consulate General of Poland, 233 Madison Avenue. Roof detail.]

[Consulate General of Poland, 233 Madison Avenue.]

[180, 178, 176 and 174 Franklin Street.]

[9 and 7 East 72nd Street.]

[Presbyterian Building, 154-158 Fifth Avenue, and Mohawk Building, 160 Fifth Avenue.]

[3, 5, and 7 East 78th Street.]

[Council on Foreign Relations, 58 East 68th Street.]

[Council on Foreign Relations, 58 East 68th Street.]