Honor guards perform during the opening ceremony of the International Army Games 2019 on the outskirts of Moscow, Russia, on Aug. 3, 2019. The International Army Games 2019 kicked off at Patriot Park on the outskirts of Moscow on Saturday. (Xinhua/Bai Xueqi)

A military band performs during the opening ceremony of the International Army Games 2019 on the outskirts of Moscow, Russia, on Aug. 3, 2019. The International Army Games 2019 kicked off at Patriot Park on the outskirts of Moscow on Saturday. (Xinhua/Bai Xueqi)

Dancers pose for a photo on a self-propelled artillery at the opening of the International Army Games 2019 at Patriot Park on the outskirts of Moscow, Russia, on Aug. 3, 2019. The International Army Games 2019 kicked off at Patriot Park on the outskirts of Moscow on Saturday. (Xinhua/Bai Xueqi)

Dancers pose for a photo on a self-propelled artillery at the opening of the International Army Games 2019 at Patriot Park on the outskirts of Moscow, Russia, on Aug. 3, 2019. The International Army Games 2019 kicked off at Patriot Park on the outskirts of Moscow on Saturday. (Xinhua/Bai Xueqi)

People watch the opening ceremony of the International Army Games 2019 on the outskirts of Moscow, Russia, on Aug. 3, 2019. The International Army Games 2019 kicked off at Patriot Park on the outskirts of Moscow on Saturday. (Xinhua/Bai Xueqi)

Russian Defense Minister Sergey Shoygu (front) speaks during the opening ceremony of the International Army Games 2019 on the outskirts of Moscow, Russia, on Aug. 3, 2019. The International Army Games 2019 kicked off at Patriot Park on the outskirts of Moscow on Saturday. (Xinhua/Bai Xueqi)