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People watch the competition during "Engineering formula" contest of the International Army games 2019 in Tyumen, Russia, Aug. 10, 2019. The International Army Games 2019 runs from Aug. 3 to 17. (Xinhua/Evgeny Sinitsyn)
People watch the competition during "Engineering formula" contest of the International Army games 2019 in Tyumen, Russia, Aug. 10, 2019. The International Army Games 2019 runs from Aug. 3 to 17. (Xinhua/Evgeny Sinitsyn)