Gallery Zhang Li, taking charge of construction materials, works at the construction site of Metro line 18 in Guangzhou By DM NEWS - March 8, 2021 GUANGZHOU: Zhang Li, taking charge of construction materials, works at the construction site of Metro line 18 in Guangzhou, south China’s Guangdong Province. Nearly 1,000 female workers work at the frontline of Metro line 18 in Guangzhou. –Agencies