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Special education teacher Zhao Yu instructs a student during a dance rehearsal in the municipal special education school in Shijiazhuang, capital of north China's Hebei Province, Nov. 29, 2018. As a dance teacher at the Shijiazhuang Municipal Special Education School, Zhao Yu has to break down communication barriers with the students, who suffer from either visual/hearing impairment or autism. Her dancing team has won multiple honours in art events nationwide, but it took time and effort to achieve successful cooperation. "A five-minute dance might cost us more than 700 days of rehearsal, during which tens of thousands of repetitive trainings are done," said Zhao. (Xinhua/Liang Zidong)