NEW YORK—The International Association of Firefighters conducted a wreath-laying ceremony for the 20th anniversary of the 9/11 terror attacks at the World Trade Center memorial site. Pipers played a melody neither joyous nor sad over the underlying drone sound. They marched before the main body of representatives and waited for the priest to throw his blessing upon the garlands. The Epoch Times approached some of the people who were directly affected by the attacks. Fireman Dave Lohl was present the day of the catastrophe. Ten years later, it was his second time down here. “It’s tough,” he said, as his throat knotted and eyes started watering. He wasn’t able to withhold his emotions, “Excuse me,” he said, looking blankly at the distance, as if remembering the events. “I’ll always remember what happened. It’s a beautiful monument, and I’m very sad.” He was visiting with his wife and children. “I lost a …