Beijing Daxing International Airport began its first commercial flights on Wednesday.
When it reaches full capacity, it is expected to become the largest airport in the world.
Construction was completed back in June, but the airport only passed final inspection on Sept. 15.
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The airport includes separate passenger areas for domestic and international travel.
Beijing Daxing will be capable of accommodating more than 100 million passengers per year once fully operational.
However, it will take at least a few years to reach that capacity.
The airport is also expected to boast some high-tech features.
Customer service robots will roam the terminal and provide passengers with up-to-the-minute updates on flight status and weather.
The airport also hopes to become a transportation hub, complete with high-speed rail.
It is expected that the airport will have service to 112 destinations around the world by Spring 2020.
China has one of the fastest-growing travel markets in the world.
Of the 20 fastest-growing airports in the world, 11 are located in China alone.
