Volunteer Liu Hui (front) collects vegetables in the Yuegong-1, or Lunar Palace 1, at Beihang University in Beijing, capital of China, May 15, 2018. The living and working scenes of Chinese people in the past year have created a series of amazing views, some of which formed geometric figures. Those photos tell the development and progress of the country in 2018. (Xinhua/Ju Huanzong)