The U.S. opened its military prison at Guantánamo Bay, Cuba, four months to the day after the Sept. 11, 2001, attacks. Carol Rosenberg, our reporter who has been covering the base since the first detainees were brought there in 2002, explains what it is like 24 years after the attacks. Video by Carol Rosenberg, Alexandra Ostasiewicz, Jon Hazell and Stephanie Swart/The New York Times #GuantánamoBay #Sept11 #Cuba #military