Four trucks with mist cannons drive side by side Friday night to sanitize streets around Erqi Square in Zhengzhou, Central China’s Henan province. Photo: Chen Liang/Caixin

Trucks with mist cannons spray disinfectant on a street in Zhengzhou on Friday night. Photo: VCG

Trucks disinfect a road in Zhengdong New Area of Zhengzhou. Photo: VCG

Trucks spray disinfectant on Zijingshan Road in Zhengzhou on Friday. Photo: Chen Liang/Caixin

Fog is formed after a truck sprays disinfectant on a street near Zhengzhou Railway Station on Friday. Photo: VCG

A resident takes photos of sanitization trucks Friday night on an expressway near Zhengzhou Railway Station. Photo: VCG

Workers pour disinfectant into a truck in Zhengzhou on Friday. Photo: VCG

Staff stand under a flyover before joining the mass disinfection work in Zhengzhou on Friday. Photo: VCG

A line of trucks spray disinfectant on a bridge in Zhengdong New Area on Friday. Photo: VCG