Aerial photo taken on Oct. 26, 2019 shows the "apple conference" held at a village in Mainling County of Nyingchi City, southwest China's Tibet Autonomous Region. The "apple conference", a training session on the apple business, was held here on Saturday, where more than 20 technicians from Qamdo, Shannan and Nyingchi as well as local villagers received on-site training provided by specialists and discussed about new species and technologies. (Xinhua/Li Xin)