These Interactive Photos Of Lower Manhattan Show Just How Far We've Come Since 9/11

The loss of the Twin Towers twelve years ago forever changed the appearance of lower Manhattan.

Below, the collection of interactive before/after photos capture the transformation of New York from before or shortly after 9/11 to the last few years. View how Lower Manhattan has been repaired and new developments, most visibly the towering One World Trade Center, have replaced the buildings destroyed by the 9/11 attacks.