That a 977-foot tower has gone unnoticed is partly the point. Designed by Japanese architect Fumihiko Maki, 4 World Trade Center has a quiet splendor hidden within its still skin. Like the original Twin Tower, 1 World Trade Center still imposes itself on the skyline. By contrast, 4 World Trade Center becomes a part of it. — New York Observer
Video inside the new 4 WTC, which is two floors from completion.