This aerial photo taken on Feb 22, 2023 shows a cargo ship sailing beneath the Lingdingyang bridge under construction in south China's Guangdong Province. The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua

This aerial photo taken on Feb 22, 2023 shows the construction site of Lingdingyang bridge in south China's Guangdong Province.The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua

This aerial photo taken on Feb 22, 2023 shows a cargo ship sailing beneath the Lingdingyang bridge under construction in south China's Guangdong Province. The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua

A cargo ship sails beneath the Lingdingyang bridge under construction in south China's Guangdong Province, Feb 22, 2023. The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua

A ship sails beneath the Lingdingyang bridge under construction in south China's Guangdong Province, Feb 22, 2023. The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua

This aerial photo taken on Feb 22, 2023 shows the construction site of Lingdingyang bridge in south China's Guangdong Province. The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua

Workers work at the construction site of Lingdingyang bridge in south China's Guangdong Province, Feb 22, 2023. The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua

This photo taken on Feb 22, 2023 shows the construction site of Lingdingyang bridge in south China's Guangdong Province. The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua

Workers work at the construction site of Lingdingyang bridge in south China's Guangdong Province, Feb 22, 2023. The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua

Workers work at the construction site of Lingdingyang bridge in south China's Guangdong Province, Feb 22, 2023. The bridge is a key part of the Shenzhen-Zhongshan highway. Photo:Xinhua