New York City Mayor Michael Bloomberg, left, World Trade Center developer Larry Silverstein, center, and Manhattan Borough President Scott Stringer, right, cut a ribbon during a ceremony to mark the opening of the new 4 World Trade Center in New York, Nov 13, 2013. The 4 World Trade Center sits at the southeast corner of the World Trade Center site and will be the second tower to open on the site since the 2001 attacks on the World Trade Center. [Photo/Agencies]