It has been selected and beautifully installed by Germano Celant, curator of contemporary art at the Guggenheim, and it fills the museum's entire spiral and two large tower galleries.

It winds down three levels of the ramp and in and out of two tower galleries.

In the Clocktower's 21-foot-tall tower gallery, he placed large color Duratrans photographs of four people - representing young and old, male and female, black and white - in the four windows high above us.

The stone balustrades of the tower gallery are supported by corbelling with modillion cornicing.

"Its format is perfect for one of our tower galleries," she said, because the work is meant to be hung around four walls of a gallery.

During the new installation in 1959 the sanctuary had been enclosed with walls to the tower gallery.

The show's paintings are installed in two of the museum's tower galleries, which have been reconfigured into intimate, scaled-down rooms.

Ms. Hadid's design, which includes the new tower galleries as well as the rotunda, engages Wright and the Russians in a dialogue of ideas.

In one tower gallery, the floor swells into a dome.

That message is evident in the tower gallery where Ms. Hadid has painted a large white cross on the white wall, an homage to Malevich's "White on White.