Inside Tianhe, the core module of China's space station, six areas are available for astronauts for work, sleep, sanitation, dining, healthcare and exercise. The dining area features a retractable table and equipment to heat or refrigerate food and supply drinking water, while a treadmill and a bike are in the exercise zone. Xu Yansong, director-general of the Asia Pacific Space Cooperation Organization, talks about the importance of daily exercise for taikonauts in space.