More than 2,500 teens from 436 cities around the world gathered in Times Square after the conclusion of the Jewish Sabbath for a Havdalah service, a ceremony marking the completion of a new Torah scroll, and a concert with entertainers Yoni Z and Jewish rapper Nissim Black.

Among those in attendance at the 10th annual CTeen Shabbaton were teen delegates from Florida who survived the Feb. 14 attack at Marjory Stoneman Douglas High School. Seventeen people—14 students and three staff members—were killed in the mass shooting.

CTeen had arranged for each of the 2,500 participants to receive his or her own letter in a Torah scroll known as the “Sefer Torah Haklali.” It is part of a campaign initiated by the Rebbe—Rabbi Menachem M. Schneerson, of righteous memory—that each person have a letter inscribed in a Torah scroll especially for them. The Torah scroll was dedicated to the memory of those who lost their lives in Parkland, Fla.

(Photo: Itzik Roytman/Cteen)
(Photo: Itzik Roytman/Cteen)
(Photo: Itzik Roytman/Cteen)
(Photo: Itzik Roytman/Cteen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)
(Photo: Itzik Roytman/CTeen)