The first skyscraper at lower Manhattan's World Trade Center opened with two days of ceremonies to mark the renewal of the area after its destruction by terrorists in September 11, 2001.

The 72-story 4 World Trade Center with total area...

One World Trade Center in New York has become the world's third-tallest building after topping out at a height of 541 meters. A 124-meter steel spire was installed on May 10, pushing the skyscraper's height to 1776 feet - a number commemorating the y...