March 24, 2018 Atlanta - U.S. Rep. John Lewis and other young leaders lead protesters to Liberty Plaza during the March For Our Lives rally on Saturday, March 24, 2018. Atlanta police estimated the crowd at near 30,000 for todayâÃôs March for Our Lives. People of all ages were drawn to one of the nationwide demonstrations in a movement begun by student survivors of last monthâÃôs mass killing in a Parkland, Fla., school. Some of those Florida students were among the speakers in Atlanta. HYOSUB SHIN / HSHIN@AJC.COM