Shanghai Hongqiao International Airport, Shanghai, China Stock Photo - Alamy

Shanghai, China - September 28, 2019: Terminal 2 at Shanghai Hongqiao airport (SHA) in China Stock Photo - Alamy

A Chinese passenger walks through a scanning machine at the entrance of Shanghai Hongqiao International Airport in Shanghai, China, 21 July 2013. Ch Stock Photo - Alamy

Airport -- Shanghai Hongqiao International Airport Stock Photo - Alamy

Hongqiao airport hi-res stock photography and images - Page 24 - Alamy

Passengers use self-service electronic ticket check-in machines in the Terminal 2 of Shanghai Hongqiao International Airport in Shanghai, China, 16 Ma Stock Photo - Alamy

Stewardesses at the self check-in machine to help travelers, in Shanghai Hongqiao International Airport, Shanghai, China Stock Photo - Alamy

FILE--A passenger gets her boarding pass on a machine of China Eastern Airlines at the Shanghai Hongqiao International Airport in Shanghai, China, 1 Stock Photo - Alamy

Hongqiao airport hi-res stock photography and images - Page 3 - Alamy

Shanghai Hongqiao International Airport, Shanghai, China Stock Photo - Alamy

Shanghai hongqiao international airport hi-res stock photography and images - Alamy

Shanghai airport terminal building hi-res stock photography and images - Page 4 - Alamy

Janitor working in Shanghai Hongqiao International Airport, Shanghai, China Stock Photo - Alamy