A staff member sprays insecticide at Zhuangtou Village in Shunde, Foshan City, south China's Guangdong Province, July 25, 2025. Foshan launched a campaign to decrease mosquitoes and increase sanitation level of the city. (Xinhua/Xiao Ennan)

A staff member installs insect-proof nets on the sewer system at Guangzhou University of Chinese Medicine Shunde Hospital in Foshan City, south China's Guangdong Province, July 25, 2025. Foshan launched a campaign to decrease mosquitoes and increase sanitation level of the city. (Xinhua/Xiao Ennan)