Genko Stoykov fires a rifle as he and other men prepare for the traditional “Horo” dance on Epiphany Day in the icy winter waters of the Tundzha river on January 6, 2022 in Kalofer, Bulgaria. As part of the tradition, a priest throws a cross in the river and it is believed that the one who retrieves it will be healthy throughout the year. Today, cultures throughout Christendom mark the Feast of the Epiphany, when Jesus was revealed to the Magi as God incarnate. (Photo by Hristo Rusev/Getty Images)

Ukrainians attend an open military training for civilians on a training range in Kiev, Ukraine, 06 February 2022. According to a survey conducted by the Kiev International Institute of Sociology (KIIS) from December 2021, 50.2 percent of Ukrainians said they would resist in case of a Russian military intervention into their city, town or village. Every third respondent to the poll said they were ready to engage in armed resistance, and 21.7 percent said they were ready to participate in civil resistance actions. (Photo by Sergey Dolzhenko/EPA/EFE/Rex Features/Shutterstock)

Revellers at the Chin Chin music festival in Amsterdam, Netherlands on July 3, 2021. The festival season has started with a QR code, one can enter, corona proof or vaccination proof in the corona check app. (Photo by Robin Utrecht/Rex Features/Shutterstock)

A performer removes a traditional eagle costume after performing “El Ball de l'Àliga” (Dance of the Eagle) during Saint Eulàlia fesitivities in Barcelona, Spain, Friday, February 11, 2022. After two years of canceled or muted celebrations due to the pandemic, this Mediterranean city went all-out to celebrate the feast, or “fest” in the Catalan language, of its patron. (Photo by Joan Mateu Parra/AP Photo)

Palestinians perform to amuse people with a wire which ignites sparks during the Islamic holy fasting month of Ramadan, on April 03, 2023 in Gaza City, Gaza. (Photo by Mustafa Hassona/Anadolu Agency via Getty Images)

Volunteers of the Rashtriya Swayamsevak Sangh (RSS), a Hindu nationalist organisation, take part in a route march on the outskirts of Chennai on April 16, 2023. (Photo by R.Satish Babu/AFP Photo)

A participant takes photographs of his friend while climbing up the stairs during Sky Run, a vertical marathon event, held in the 123-story Lotte World Tower, in Seoul, South Korea on April 22, 2023. (Photo by Kim Soo-hyeon/Reuters)

Children play in front of a brick factory on the outskirts of the northern Myanmar city of Mandalay on December 14, 2015. (Photo by Phyo Hein Kyaw/AFP Photo)