PASSENGERS ON FAST TRACK TO NEW AIRPORT

Subway trains to Daxing will reach speeds of 160 km/h

It will take nearly the same amount of time to travel by train from central Beijing to the city's new international airport, due to open in September, as it does to travel to the much closer existing airport thanks to a cutting-edge subway link.

The distance from the capital's central business district to the new Beijing Daxing International Airport - around 40 kilometers - prompted concerns after plans for the 80 billion yuan ($11.6 billion) project were approved more than six years ago. That's because Beijing Capital International Airport is just 23 km northeast of the CBD.