The other 3 Riverside Center South buildings, which are designed by Richard Meier, Rafael Vinoly, and KPF, plus a glassy school. 1 and 21 West End Avenue are also part of the same development.
Construction photos, starting with site 3, then site 4 next to 1 West End, and site 1 in the background and seen rising from the other end. The school is the tall curved glass building.