"If we are able to shine a light on the beauty, resiliency and love that was shown by members of this congregation and the community of Charleston, we will succeed in showing the best of humankind in the wake of the worst," Arad said.
9/11 Memorial designer to create church shooting memorial →
"These places don't just bring us together physically in one spot, they brought us together emotionally," he said. "We've re-created that opportunity for that to happen here."
Memorial to 9/11 opens in N.Y. →