One World Trade Center

The Tribute in Light rises above the lower Manhattan skyline and Four World Trade Center, center, and One World Trade Center, left, in a test of the memorial light display.

Mark Lennihan/AP

The Tribute in Light rises above the lower Manhattan skyline in a test of the memorial light display.

Spire for the top of One World Trade Center is put in place ...epa03694679 The spire for the top of One World Trade Center is hoisted into place at the top of the building in New York, New York, USA, 10 May 2013. The spire has been put in place on One World Trade Center bringing the iconic structure to its full, symbolic height of 1776 feet (541,32 meters).  EPA/GARY HE/ INSIDER IMAGES/ HANDOUT MANDITORY CREDIT GARY HE/ INSIDER IMAGES  EDITORIAL USE ONLY/NO SALES

Gary He/EPA

The spire for One World Trade Center is hoisted into place at the top of the building in New York on Friday. This brings the structure to its full, symbolic height of 17,76 feet (541 metres). Read more