A child tries to hold his teacher's hand during a training course at a service center of the Lingxing community in Taiyuan, capital of north China's Shanxi Province, March 28, 2017. Established in 2010, the service center has accommodated over 60 children with autism. A total of 29 teachers take part in the rehabilitation program to help these children. April 2 marks the World Autism Awareness Day. (Xinhua/Zhan Yan)