Passengers arrive at Macao's border checkpoint at Hengqin Port on Aug. 18, 2020. The new port to facilitate travel between Macao and Zhuhai, south China's Guangdong Province, was officially put into use Tuesday, a new step to boost development of the Guangdong-Hong Kong-Macao Greater Bay Area. (Xinhua/Cheong Kam Ka)
A passenger (2nd R) shows her health QR code to health quarantine staff at Hengqin Port on Aug. 18, 2020. The new port to facilitate travel between Macao and Zhuhai, south China's Guangdong Province, was officially put into use Tuesday, a new step to boost development of the Guangdong-Hong Kong-Macao Greater Bay Area. (Xinhua/Deng Hua)
Aerial photo taken on Aug. 18, 2020 shows the Hengqin Port. The new port to facilitate travel between Macao and Zhuhai, south China's Guangdong Province, was officially put into use Tuesday, a new step to boost development of the Guangdong-Hong Kong-Macao Greater Bay Area. (Xinhua/Cheong Kam Ka)
A police officer from Macao Special Administrative Region introduces the joint automated inspection channels to reporters at Hengqin Port on Aug. 18, 2020. The new port to facilitate travel between Macao and Zhuhai, south China's Guangdong Province, was officially put into use Tuesday, a new step to boost development of the Guangdong-Hong Kong-Macao Greater Bay Area. (Xinhua/Cheong Kam Ka)
Passengers pass through the automated inspection channels at the new passenger inspection area of Hengqin Port on Aug. 18, 2020. The new port to facilitate travel between Macao and Zhuhai, south China's Guangdong Province, was officially put into use Tuesday, a new step to boost development of the Guangdong-Hong Kong-Macao Greater Bay Area. (Xinhua/Deng Hua)
Aerial photo taken on Aug. 18, 2020 shows the Hengqin Port. The new port to facilitate travel between Macao and Zhuhai, south China's Guangdong Province, was officially put into use Tuesday, a new step to boost development of the Guangdong-Hong Kong-Macao Greater Bay Area. (Xinhua/Deng Hua)