Combo photo taken on May 3, 2020 shows scaffolder Liu Yuankui installing scaffolds (left) and posing for a photo at the construction site of the Renhuai-Zunyi expressway in Zunyi, southwest China's Guizhou Province. Liu, 23, from Weining County of Guizhou, has been working as a scaffolder for more than 2 years. Many young workers have stuck to their positions during Labor Day holiday. (Xinhua/Liu Xu)
