9/11 Memorial on Ground Zero to mark 10th Anniversery Ground Zero will now be known as National September 11th Memorial , a cascading waterfall in remembrance of that tragic day. It will be open for public ten years after terror hit Twin Towers on 11th September 2001. Where the twin towers of the World Trade Centre once stood now lies two granite pools in its footprints with waterfalls cascading 30 feet below. They one-acre size pools sprawl out across the World Trade Center plaza - one to signify each fallen ... Read More