bonjour
Ground Zero is the name given to the location where stood the Twin Towers before the terrorist attack of September 11, 2001 (1 World Trade Center North Tower and 2 World Trade Center South Tower) .
It's situated in Lower Manhattan, New York.
A memorial for the victims of 9/11 and a museum are located there.
Nowadays, it's called the One World Trade Center.
A cultural center should opened soon and four new skyscrapers have been rebuilt.
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