Tunisian worker prepares bread at a bakery in the capital Tunis, Tunisia, on March 5, 2022. Russia's invasion of Ukraine could mean less bread on the table in Egypt, Lebanon, Yemen and elsewhere in the Arab world where millions already struggle to survive. The region is heavily dependent on wheat supplies from the two countries which are now at war, and any shortages of the staple food have potential to bring unrest. Photo by Hasan Mrad