Iranian Shiite Muslims arrive on foot in Basra at sunset via the Shalamcheh border crossing, to take part in the Arbaeen pilgrimage in the Iraqi city of Karbala, on July 25, 2025. Each year, pilgrims converge in large numbers to the holy Iraqi cities of Najaf and Karbala ahead of Arbaeen, which marks the 40th day after Ashura, commemorating the seventh century killing of Prophet Mohammed's grandson Imam Hussein. (Photo by Hussein Faleh/AFP Photo)
