WTC towers begin to talk to each other
- Hudsonette
- Aug 27, 2015
- 1 min read
From left: 1 World Trade Center, 90 floors, completed 2014; 7 World Trade Center, 52 floors, completed 2006; 3 World Trade Center, work in progress, expected to open 2018 at 80 floors; 4 World Trade Center, 72 floors, completed 2013.
