Headquarters of the United Nations their own rooms, the UN would be able to reduce its own expenditures. The headquarters were originally supposed to be completed in 1951, with the first occupants moving into the Secretariat Building in 1950. However, in November, New York City's construction coordinator Robert Moses reported that construction was two months behind schedule. By that time, 60% of the headquarters' site had been excavated. The same month, the United Nations General Assembly unanimously voted to formally thank the national, state, and city governments for their role in building the headquarters. The formal $23.8 million contract for the Secretariat Building was awarded
Headquarters of the United Nations which was a gift from the Luxembourg government Other prominent artworks on the grounds include "Peace" - a Marc Chagall stained glass window memorializing the death of Dag Hammarskjöld - the Japanese Peace Bell which is rung on the vernal equinox and the opening of each General Assembly session, a Chinese ivory carving made in 1974 (before the ivory trade was largely banned in 1989), and a Venetian mosaic depicting Norman Rockwell's painting "The Golden Rule". A full-size tapestry copy of Pablo Picasso's "Guernica", by Jacqueline de la Baume Dürrbach, is on the wall of the United Nations building at