Five years ago, Superstorm Sandy killed 72 people across New York and New Jersey and caused more than $70 billion in damage. City and state officials, anxious to keep memories of Sandy from fading, are working to drum up financial and public support for infrastructure projects that will fortify New York against future storms. One big idea to prevent massive destruction: A constellation of giant underwater gates that would rise in New York Harbor and beyond when disaster looms.
The gatekeepers
Dream project aims to prevent a devastating N.Y. flood