Combination photo taken on March 22, 2017 shows 6-year-old autistic child Xiao Rong (pseudonym) and his teacher Li Nan at Kefan Children Ability Development Center (upper) and Xiao Rong's painting about his wish to find an ET friend (lower) in Nanchang, capital of east China's Jiangxi Province. April 2 marks the World Autism Awareness Day. (Xinhua/Hu Chenhuan)
