phOtOgrAphy: jeFF gOldberg/eStO (tOp right); jAmeS ewing (bOttOm); jin lee (tOp leFt And OppOSite) A bent piece of steel sits in front of the slurry wall (top left). A pair of tridents can be seen inside the glass-and-steel entry pavilion designed by Snøhetta (top right). A tower volume clad in aluminum (bottom) is designed to appear to hover above box column foundations. On a nearby wall, an art installation by Spencer Finch of 2,983 paper squares recalls the blue sky day of September 11th. contract