[600 Park Avenue.]
[680 Park Avenue.]
[68th Street façade of 680 Park Avenue.]
[3 East 64th Street.]
[Beaux Arts Institute of Design building, 304 East 44th Street.]
[Looking east across Fifth Avenue from Central Park to the Frick Collection.]
[726 Madison Avenue.]
[Townhouses at 35, 37 and 39 East 68th Street.]
[5 and 9 East 68th Street.]
[Council on Foreign Relations, 58 East 68th Street.]