Technicians check the middle runway of Capital International Airport in Beijing, capital of China, April 26, 2017. The middle runway at the airport finished a 25-day overhaul and was put into test run on Wednesday. (Xinhua/Ma Ruzhuang)
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Technicians check the middle runway of Capital International Airport in Beijing, capital of China, April 26, 2017. The middle runway at the airport finished a 25-day overhaul and was put into test run on Wednesday. (Xinhua/Ma Ruzhuang)
