Iraqis gather around the citadel of Arbil, the capital of the northern Iraqi Kurdish autonomous region, on the eve of celebrations marking the birth of the Prophet Mohammed, known in Arabic as the Mawlid al-Nabawi holiday, on October 18, 2021. AFP

Iraqis gather around the citadel of Arbil, the capital of the northern Iraqi Kurdish autonomous region, on the eve of celebrations marking the birth of the Prophet Mohammed, known in Arabic as the Mawlid al-Nabawi holiday, on October 18, 2021. AFP

An Iraqi picks a pin in Arbil, the capital of the northern Iraqi Kurdish autonomous region, on the eve of celebrations marking the birth of the Prophet Mohammed, known in Arabic as the Mawlid al-Nabawi holiday, on October 18, 2021. AFP

Iraqis gather around the citadel of Arbil, the capital of the northern Iraqi Kurdish autonomous region, on the eve of celebrations marking the birth of the Prophet Mohammed, known in Arabic as the Mawlid al-Nabawi holiday, on October 18, 2021. AFP

Iraqis gather around the citadel of Arbil, the capital of the northern Iraqi Kurdish autonomous region, on the eve of celebrations marking the birth of the Prophet Mohammed, known in Arabic as the Mawlid al-Nabawi holiday, on October 18, 2021. AFP

In this aerial view, lights and decorations ornate the remains of the war-ravaged landmark al-Nouri mosque, as Iraqis gather to celebrate the birth of the Prophet Mohammed, known in Arabic as the Mawlid al-Nabawi holiday, in the northern city of Mosul, on October 17, 2021. AFP

Iraqis kneel to pray during the celebrations of the birth of the Prophet Mohammed, known in Arabic as the Mawlid al-Nabawi holiday, in the courtyard of the war-ravaged landmark al-Nouri mosque, in the northern city of Mosul, on October 17, 2021, AFP

People walk through a market decorated for the upcoming Mawlid al-Nabi holiday celebrating the birthday of the Muslim Prophet Muhammad, in Lahore, Pakistan, Monday, Oct. 18, 2021. AP

People walk through a market decorated for the upcoming Mawlid al-Nabi holiday celebrating the birthday of the Muslim Prophet Muhammad, in Lahore, Pakistan, Monday, Oct. 18, 2021. AP

Fireworks are launched during celebrations for the Prophet Muhammad s birthday, in Sanaa, Yemen, Sunday, Oct. 17, 2021. AP