In chronological order, the exhibition features such important events of China as the founding of the People's Republic of China, the return of Hong Kong, the return of Macao, etc.
The 1840-2019 National Memory Public-benefit Exhibition kicked off in Beiwang Bookstore to demonstrates the development of China through historical books and images.
Children learned how to apply the knowledge of mechanical structures, electronic circuits, mechanical gear transmissions, and switch settings to complete the bipedal robot.
