Russian servicemen look on as a Mi-24 helicopter fly overhead during the Open Water competition for pontoon bridge units, as part of the International Army Games 2018, outside Murom, Russia August 3, 2018. (Photo by Maxim Shemetov/Reuters)

A fuel cell electric vehicle (FCEV) by Nissan is shown at China (Guangzhou) International Automobile Exhibition in Guangzhou, China November 18, 2016. (Photo by Bobby Yip/Reuters)

Participants stretch their bodies as they pose for pictures before the Beijing International Marathon in Beijing, China, September 20, 2015. About 30,000 runners participated in the annual running event. (Photo by Kim Kyung-Hoon/Reuters)

Miss Venezuela Edymar Martinez poses during the swimsuit contest during the Miss International beauty pageant in Tokyo on November 5, 2015. Martinez won the Miss International title. Representatives of 70 countries and regions from all over the world took part in the annual beauty contest. (Photo by Toru Yamanaka/AFP Photo)

A young woman wearing a t-shirt reading “p*ssy Power” takes part in a rally, demonstrating against gender violence and calling for gender parity on March 8, 2018 in Milan, Italy. International Women's Day is a global day observed on March 8 every year, celebrating the social and political achievements of women. (Photo by Emanuele Cremaschi/Getty Images)

A model poses beside a Mazda MX-5 during a media presentation at the 37th Bangkok International Motor Show in Bangkok, Thailand, March 22, 2016. (Photo by Chaiwat Subprasom/Reuters)

German KUKA Robotics' robot LBR iiwa demonstrates a flower arrangement at the International Robot exhibition in Tokyo, Wednesday, December 2, 2015. (Photo by Shizuo Kambayashi/AP Photo)

The Royal Air Force aerobatic team, the Red Arrows, perform during The Royal International Air Tattoo at the RAF in Fairford July 11, 2014. (Photo by Stefan Wermuth/Reuters)