A boy takes part in activities with the help of a special education teacher, Lingxing Community Service Center, Taiyuan, March 28. Autistic children are usually characterized by impaired social interaction, verbal and non-verbal communication, and restricted and repetitive behaviors. World Autism Awareness Day falls on April 2 each year with the aim of arousing public awareness and attention about children with autism. [Photo/Xinhua]

An autistic child holds a teacher's hand, Lingxing Community Service Center, Taiyuan, March 28. [Photo/Xinhua]