People work at the construction site of Chahe grand bridge of the Kunming-Chuxiong expressway in Southwest China's Yunnan province, April 28, 2020. The construction of the 2.06-km-long Chahe grand bridge was pushed forward smoothly under strict epidemic prevention measures. [Photo/Xinhua]
Aerial photo taken on April 28, 2020 shows the construction site of Chahe grand bridge of the Kunming-Chuxiong expressway in Southwest China's Yunnan province. [Photo/Xinhua]
People work at the construction site of Chahe grand bridge of the Kunming-Chuxiong expressway in Southwest China's Yunnan province, April 28, 2020. [Photo/Xinhua]
Aerial photo taken on April 27, 2020 shows the construction site of a business complex in Changchun, Northeast China's Jilin province. Construction work has resumed at many key projects in Jilin province. [Photo/Xinhua]
Aerial photo taken on April 27, 2020 shows the construction site of a film industry park in Changchun, Northeast China's Jilin province. [Photo/Xinhua]
Aerial photo taken on April 27, 2020 shows the construction site of a trunk road extension in Changchun, Northeast China's Jilin province. [Photo/Xinhua]