Combination photo taken on March 21, 2017 shows 5-year-old autistic child Xiao Rui (pseudonym) and his mother at Kefan Children Ability Development Center (upper) and Xiao Rui's painting about his wish to be a train driver (lower) in Nanchang, capital of east China's Jiangxi Province. April 2 marks the World Autism Awareness Day. (Xinhua/Hu Chenhuan)
