Myanmar T-72 battle tank competes in an individual race of the Tank Biathlon competition as part of the 7th International Army Games 2021 at the Alabino training ground, Moscow region, Russia, 27 August 2021. The 7th International Military-Technical Forum “Army-2021” is held from 22 August till 04 September 2021 at 23 military training grounds of 11 countries. Five thousand participants of 277 teams from 42 countries compete in 34 military contests. (Photo by Sergei Ilnitsky/EPA/EFE)

A tourist train is decorated with Christmas lights in Bogotá, Colombia on December 10, 2017. (Photo by Jaime Saldarriaga/Reuters)

A woman sells vegetables near a Metro train station in downtown Lima, Peru December 1, 2015. (Photo by Mariana Bazo/Reuters)

Young girls attend a training session in MGFSO Olympic reserve school in Moscow on May 30, 2016. (Photo by Kirill Kudryavtsev/AFP Photo)

Young contortionists practice at a training school in Ulaanbaatar, Mongolia, July 4, 2016. (Photo by Natalie Thomas/Reuters)

Two cocks are trained for a fight in a village in Nakhon Sawan province, Thailand January 10, 2017. (Photo by Chaiwat Subprasom/Reuters)

Commuters hang off a local passenger train in the morning in Colombo, Sri Lanka September 8, 2016. (Photo by Dinuka Liyanawatte/Reuters)

Soldiers, including two recruits who have brought some chickens, at Victoria prepare to board the train for the battle front. (Photo by Hulton Archive/Getty Images)