Iran's Supreme Leader Ayatollah Ali Khamanei meets students in Tehran

TEHRAN, IRAN - OCTOBER 18: (----EDITORIAL USE ONLY MANDATORY CREDIT - " IRANIAN LEADER'S PRESS OFFICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Iran's Supreme Leader Ayatollah Ali Khamanei speaks during his meeting with students in Tehran, Iran on October 18, 2017. (Photo by Iranian Leader's Press Office - Handout/Anadolu Agency/Getty Images)