Students dine in a canteen decorated with planets in Nanjing University of Aeronautics and Astronautics in Nanjing, East China's Jiangsu province, Sept 5, 2018. (Photo/VCG)

Students dine in a canteen decorated with planets in Nanjing University of Aeronautics and Astronautics in Nanjing, East China's Jiangsu province, Sept 5, 2018.

Students dine in a canteen decorated with planets in Nanjing University of Aeronautics and Astronautics in Nanjing, East China's Jiangsu province, Sept 5, 2018.

Students dine in a canteen decorated with planets in Nanjing University of Aeronautics and Astronautics in Nanjing, East China's Jiangsu province, Sept 5, 2018.

The canteen wall is decorated with universe-themed paintings in Nanjing University of Aeronautics and Astronautics in Nanjing, East China's Jiangsu province, Sept 5, 2018.