Located in Beijing's southern suburb, the capital’s new airport is taking shape, with its spaceship-like interior steel frame completed. /CFP Photo

More than 8,000 pieces of glass will serve as the ceiling in the main building. /CFP Photo 

Occupying a total area of 1.4 million square meters, the airport is set to be the world’s largest and busiest in terms of passenger traffic at full capacity. /CFP Photo

The airport has been under construction since 2014, and is expected to be put into trial use in October next year. /CFP Photo