Museum of the City of New York: September 11, 2001 The Museum of the City of New York presents a bit of history and a wellspring of emotion inspired by the 2001 World Trade Center attacks. Learn about the construction of these skyscrapers, then see how New Yorkers reacted to their fall with spontaneous memorials at nearby Union Square Park. Some of these tributes are simply reflective, such as a schoolteacher's poetic query about normalcy after 9/11. Others are more evocative, like the quilt that depicts bombing in Afghanistan or the painting where the Stripes of the U.S. flag morph into gashes or wounds. Still others look to the future, such as a letter about the symbolism behind Japanese paper cranes. (in September 11th Attacks)