Passengers look at the departures board at Heathrow Airport, in London, Monday, Aug. 28, 2023. Britain's air traffic control system says it is experiencing a 'technical issue' that could delay flights on Monday, the end of a holiday weekend and a busy day for air travel. (AP Photo/Alberto Pezzali)

https://n.news.naver.com/mnews/article/077/0006018094?sid=104

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