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Children participate in UNICEF's humanitarian race in Zagreb, Croatia, on Sept. 9, 2018. The race is part of a nationwide campaign to help foster families. (Xinhua/Tomislav Miletic)
Children participate in UNICEF's humanitarian race in Zagreb, Croatia, on Sept. 9, 2018. The race is part of a nationwide campaign to help foster families. (Xinhua/Tomislav Miletic)