Hearing-impaired child patients attend an aural and speech rehabilitation course at a rehabilitation center for people with disabilities in Jishou of Xiangxi Tujia and Miao Autonomous Prefecture, central China''s Hunan Province, Oct. 15, 2020. (Xinhua/Cai Yang)

A child patient attends a cognitive and hand motion training at a rehabilitation center for people with disabilities in Jishou of Xiangxi Tujia and Miao Autonomous Prefecture, central China''s Hunan Province, Oct. 15, 2020. (Xinhua/Cai Yang)

A child patient touches a doll during a rehabilitation course at a rehabilitation center for people with disabilities in Jishou of Xiangxi Tujia and Miao Autonomous Prefecture, central China''s Hunan Province, Oct. 15, 2020. (Xinhua/Cai Yang)

Parents take their children with intellectual disabilities to a rehabilitation course at a rehabilitation center for people with disabilities in Jishou of Xiangxi Tujia and Miao Autonomous Prefecture, central China''s Hunan Province, Oct. 15, 2020. (Xinhua/Cai Yang)

A child patient receives kinesitherapy at a rehabilitation center for people with disabilities in Jishou of Xiangxi Tujia and Miao Autonomous Prefecture, central China''s Hunan Province, Oct. 15, 2020. (Xinhua/Cai Yang)

Children with autism attend a rehabilitation course at a rehabilitation center for people with disabilities in Jishou of Xiangxi Tujia and Miao Autonomous Prefecture, central China''s Hunan Province, Oct. 15, 2020. (Xinhua/Cai Yang)

A child patient attends a rehabilitation course at a rehabilitation center for people with disabilities in Jishou of Xiangxi Tujia and Miao Autonomous Prefecture, central China''s Hunan Province, Oct. 15, 2020. (Xinhua/Cai Yang)