U.S. returns to 1 World Trade Center 15 years after attacks

The U.S. federal government on Friday marked its return to the rebuilt 1 World Trade Center, moving its New York City offices back to Lower Manhattan 15 years after the Sept. 11 attacks that had reduced the site to rubble. Also known as the Freedom Tower, the 104-story 1 World Trade Center is the tallest skyscraper in the Western Hemisphere, at 1,776 feet (541 meters). The federal government was one of the first tenants in the original World Trade Center in the 1970s, said Port Authority of New