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
Swiss Air Force aerobatic team "Patrouille Suisse" stages a performace to mark the ongoing 3rd Winter Youth Olympic Games, at Les Diablerets Alpine centre, Switzerland on Jan. 11, 2020. (Xinhua/Wang Qingqin)
Swiss Air Force aerobatic team "Patrouille Suisse" stages a performace to mark the ongoing 3rd Winter Youth Olympic Games, at Les Diablerets Alpine centre, Switzerland on Jan. 11, 2020. (Xinhua/Wang Qingqin)