On September 25, 2019, Beijing Daxing International Airport will welcome the first batch of passengers. This super-large international aviation integrated transportation hub, which has the world's largest single terminal building, a designed passenger throughput of 100 million passengers and 800,000 aircraft take-offs and landings, will face the dual challenges of the "70th anniversary of the founding of New China" and the National Day "Golden Week" at the beginning of its opening - welcoming important international visitors and coping with the pressure of super high passenger flow peak. What problems are Daxing International Airport and its builders facing as the big "project" is about to be completed? What construction wisdom is condensed behind this behemoth that will soon have a place in the international airport? How does the "international team" composed of the world's top designers, engineers and builders operate in an orderly manner? These three episodes of the documentary will lead the audience behind the scenes to explore the stories that are happening and about to happen inside and outside the airport in the final stage of the countdown... This film is produced by CCTV Documentary Channel and produced by Beijing Sandutang Media Co., Ltd.