Khalil, based in Istanbul, is an award-winning photojournalist with 10 years' experience in conflict zones and founder of Frontline in Focus. Recently awarded a Google News Initiative award, which led to the new initiative Frontline in Focus XR. Hail, based in Geneva, has been a humanitarian field worker in complex contexts for 10 years, working with UN Agencies and NGOs.

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Part of our Global Journalism Seminars series.