Headquarters of the United Nations The General Assembly met at what had previously been the ice skating rink, and the Long Island Rail Road reopened the former World's Fair station as United Nations station. After the UN moved to its new Manhattan headquarters, the building was remodeled and briefly used as a pavilion for the 1964 New York World's Fair, after which it reverted to use as a skating rink until 2008, when the entire building began a long-term renovation to create expanded museum facilities. Per an agreement with the city, the buildings met some but not all local fire safety and building codes. In
Headquarters of the United Nations as well as a deck over FDR Drive on the headquarters' eastern side. To fit in with the accelerated schedule of construction, the steel would have to be delivered by September. The project also included a four-lane, $2.28 million vehicular tunnel under First Avenue so that traffic could bypass the headquarters when the UN was in session. The tunnel started construction on August 1, 1949. The tunnel involved two years of planning due to its complexity. Property inside Tudor City, just west of the headquarters, was also acquired so that two streets near the UN headquarters could be widened. The