September 11, 2001 is a black day that Americans will never forget around 3,000 people lost their lives. The 9/11 Memorial is a structure in honor of those who we lost in september 11, 2001 terrorist attack. The memorial are two reflecting pools build in the footprints of the towers, surrounded by a list of the victims’ names in an underground memorial space, design by Michael Arad. The two fountain which form part of the World Trade center are located in Manhattan Liberty Street #20, New York.