Story of New York's Staircase, Paul Goldberger, Jeff Chu, Sarah Medford

"Designed by Heatherwick Studio, the soaring centerpiece of Hudson Yards'' Public Square & Gardens is a completely different kind of monument. With 2,500 steps, 154 staircases, and 80 landings--a full mile of pathways in all--it is one of the most complex pieces of steelwork ever constructed"--Page 4 of cover.