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Family members look on during the 15th Anniversary of September 11 at the 9/11 Memorial and Museum, on September 11, 2016 in New York. The United States on Sunday commemorated the 15th anniversary of the 9/11 attacks. / AFP / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)

Family members look on during the 15th Anniversary of September 11 at the 9/11 Memorial and Museum, on September 11, 2016 in New York. The United States on Sunday commemorated the 15th anniversary of the 9/11 attacks. / AFP / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Getty Images

AFP BRYAN R. SMITH