View image in fullscreenDakar, SenegalSenegalese Muslim women from the Layene Brotherhood, a religious sect of Sufi Muslims, attend Eid al-Adha prayers in CambérènePhotograph: Zohra Bensemra/ReutersShareView image in fullscreenNew Delhi, IndiaMuslims offer prayers at Jama Masjid during Eid al-Adha, the holiest of the two major Muslim holidays celebrated each year marking the annual Hajj pilgrimage to Mecca.