Workers are busy at the prefabricated beam yard by the Lingling-Daoxian Expressway in Yongzhou, Central China's Hunan Province, on July 4, 2025. Construction teams along the expressway have taken measures to cope with the scorching heat, such as staggered shifts with breaks in between and the distribution of heat-relief supplies, to safeguard workers' health and ensure steady project progress. Photo: VCG