Visitors enter a tall hall from which angled staircases and meandering paths lead to the galleries and to a roofscape of outdoor terraces enclosed by the glass sails. Between the iceberg and the sailboat, accordion spaces expand and contract, alternately intimate and grand, in what Mr. Gehry called “a chaotic dance.” The white galleries, some with tall ceilings that act as chimneys of light, are “a refuge,” said Edwin Chan, a former design partner in the Gehry firm, who worked with Mr. Gehry and the main project architect, Laurence Tighe. One opens to the sky. H<+TR6k<