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Afghan refugee children pose for a photo at a slum on the outskirts of Islamabad, Pakistan, on June 20, 2018. June 20 is the World Refugee Day. (Xinhua/Ahmad Kamal)
Afghan refugee children pose for a photo at a slum on the outskirts of Islamabad, Pakistan, on June 20, 2018. June 20 is the World Refugee Day. (Xinhua/Ahmad Kamal)