"Engineering formula" contest of International Army games 2019 held in Tyumen, Russia
Editor:Li JiayaoTime:2019-08-12 09:46:27
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)