Workers lay railway tracks at the construction site of the section between Lhasa and Nyingchi of the Sichuan-Tibet Railway in Gonggar County of southwest China's Tibet Autonomous Region, Oct. 16, 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/Purbu Zhaxi)