Astronauts in the Tiangong space station talk with Hong Kong researchers, teachers and students via video link, Sept. 3, 2021. Three Chinese astronauts talked with Hong Kong youth representatives from space via video link on Friday afternoon. In a real-time video chat, the astronauts in the Tiangong space station answered questions from the youngsters, gave them a virtual tour inside the core module Tianhe, and showed them how to conduct experiments, do exercise and drink water in a weightless environment. Nearly 300 researchers, teachers and students participated in the event. (Xinhua/Lui Siu Wai)
