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A group of Syrian children with cancer dance and sing in an event to mark the Children's Day in Damascus, capital of Syria, Nov. 20, 2018. (Xinhua/Ammar Safarjalani)
A group of Syrian children with cancer dance and sing in an event to mark the Children's Day in Damascus, capital of Syria, Nov. 20, 2018. (Xinhua/Ammar Safarjalani)