Military vehicles surround a wreckage of a trolleybus, in Volgograd, Russia, Monday, December 30, 2013. A bomb blast tore through a trolleybus in the city of Volgograd on Monday morning, killing at least 10 people a day after a suicide bombing that killed at least 17 at the city's main railway station. Volgograd is about 650 kilometers (400 miles) northeast of Sochi, where the Olympics are to be held. (Photo by Denis Tyrin/AP Photo)

In this handout artists impression provided by the Russia 2018 Organising Commitee, the Rostov on Don Stadium is shown as proposed and presented as part of the Russia 2018 World Cup bid, on September 29, 2011 in Russia. (Illustration by Russia 2018 via Getty Images)

A man and a woman take a selfie on Russian Navy Day in St Petersburg, Russia on July 26, 2020. (Photo by Roman Pimenov/TASS)

The town hall with the Mangia tower is seen in Siena, central Italy, January 29, 2016. (Photo by Max Rossi/Reuters)

Fighters of Wagner private mercenary group pull out of the headquarters of the Southern Military District to return to base, in the city of Rostov-on-Don, Russia on June 24, 2023. (Photo by Alexander Ermochenko/Reuters)

A couple takes selfie pictures amid heart shaped decorations setted for Valentine's day, in Bangkok, Thailand on February 14, 2021. (Photo by Mladen Antonov/AFP Photo)

The Duchess of Cambridge comes down a slide during a visit to the LEGO Foundation PlayLab at the Carlsberg Campus, University College Copenhagen, Denmark, on day one of a two-day working visit with The Royal Foundation Centre for Early Childhood on Tuesday, February 22, 2022. (Photo by John Sibley/PA Wire Press Association)