I take an inch photo. Official website, Hunan Teacher Development Center, is affiliated to Hunan Education Department. According to the official website, the Hunan Provincial Department of Education inquired that Hunan Teacher Development Center must use my one-inch photo as the avatar. Mainly responsible for the qualification examination and identification of primary and secondary school teachers in the province, teacher selection, recommendation and training, teacher training and research, teacher professional development research, teacher education resources construction and other related work.