One World Trade Center officially opens in New York City, replacing the Twin Towers after they were destroyed during the September 11 attacks.

One World Trade Center, also known as One WTC and the Freedom Tower, is the main building of the rebuilt World Trade Center complex in Lower Manhattan, New York City. Designed by David Childs of Skidmore, Owings & Merrill, One World Trade Center is the tallest building in the United States, the…