In pictures: Muslims celebrate Islamic Unity Week

Iranians celebrate the birth anniversary of Prophet Mohammad
(Peace Be Upon Him) in the Holy Shrine of Imam Reza (PBUH),
 in Mashhad, Iran, during the Islamic Unity Week festivities.

Muslims around the world celebrate the birth anniversary of Prophet Mohammad (Peace Be Upon Him) during the Islamic Unity Week festivities:

Iranians celebrate the birth anniversary of Prophet Mohammad (PBUH) in the Holy Shrine of Imam Reza (PBUH), in Mashhad, Iran, during the Islamic Unity Week festivities. (Photo by Fars)

Iranians celebrate the birth anniversary of Prophet Mohammad (PBUH) in the Holy Shrine of Imam Reza (PBUH), in Mashhad, Iran, during the Islamic Unity Week festivities. (Photo by Fars)

Iranians celebrate the birth anniversary of Prophet Mohammad (PBUH) in Sanandaj, Iran, during the Islamic Unity Week festivities. (Photo by Fars)

Iranian people of Arab descent celebrate the birth anniversary of Prophet Mohammad (PBUH) in Tehran during the Islamic Unity Week festivities. (Photo by Fars)

Iranians in tribal costumes celebrate the birth anniversary of Prophet Mohammad (PBUH) in Tehran during the Islamic Unity Week festivities. (Photo by Fars)

Iranians dressed in tribal costumes celebrate the birth anniversary of Prophet Mohammad (PBUH) in Tehran during the Islamic Unity Week festivities. (Photo by Fars)

Iranian women dressed in tribal costumes celebrate the birth anniversary of Prophet Mohammad (PBUH) in Tehran, during the Islamic Unity Week festivities. (Photo by Fars)

Children pose as Pakistani Muslims take part in a procession during Eid Milad-un-Nabi, which marks the birth anniversary of Prophet Mohammad (PBUH), in Lahore, Pakistan, on November 21, 2018. (Photo by AFP)

Pakistani Muslim girls take part in a rally during Eid Milad-un-Nabi, which marks the birth anniversary of Prophet Mohammad (PBUH), in Karachi, Pakistan, on November 21, 2018. (Photo by AFP)

Pakistani Muslims take part in a procession during Eid Milad-un-Nabi, which marks the birth anniversary of Prophet Mohammad (PBUH), in Lahore, Pakistan, on November 21, 2018. (Photo by AFP)

Kashmiri cleric Manzoor Banday displays a holy relic during Eid Milad-un-Nabi, the birthday of Prophet Mohammad (PBUH), at the Hazratbal Shrine in Srinagar, India, on November 21, 2018. (Photo by AFP)

Kashmiri Muslims offer prayers during the last Friday of Eid Milad-un-Nabi, which marks the birth anniversary of Prophet Mohammad (PBUH), at the Hazratbal Shrine in Srinagar, India, on November 23, 2018. (Photo by AFP)

Iraqi Muslim Kurds join in prayers to commemorate the birth of Prophet Mohammed (PBUH) in the Kurdish town of Akra, 500 km north of Baghdad, Iraq, on November 19, 2018. (Photo by AFP)

A handout picture released by the official Syrian Arab News Agency (SANA) on November 19, 2018 shows Syrian President Bashar al-Assad (C) performing a prayer along with other officials to mark Prophet Mohammed (PBUH)'s birthday at a mosque in the Syrian capital, Damascus. (Via AFP)