TOPSHOTS A Syrian man prays over the grave of his son, who was killed during shelling, at a cemetery in the rebel-held Damascus suburb of Douma, on March 5, 2015. Syria's conflict began as a popular uprising but evolved into a multi-front civil war that has divided the country into a patchwork of fiefdoms controlled by different factions, including the extremist Islamic State group. AFP PHOTO / ABD DOUMANY