Iranian President Hassan Rouhani (R) talks with Algerian Prime Minister Abdelmalek Sellal during the Gas Exporting Countries Forum (GECF) summit in Tehran on November 23, 2015. The summit was attended by Russian President Vladimir Putin who arrived in Tehran on his first trip to Iran in eight years, for talks on the devastating conflict in Syria where both countries support the Damascus regime. AFP PHOTO / ATTA KENARE / AFP / ATTA KENARE        (Photo credit should read ATTA KENARE/AFP/Getty Images)