Policemen detain topless activists of women's rights group Femen, who stage a performance during a protest against Ukrainian President Petro Poroshenko and the government while marking the Day of Dignity and Freedom near the presidential administration headquarters in Kiev, Ukraine November 21, 2017. (Photo by Valentyn Ogirenko/Reuters)

A topless activist of women's rights group FEMEN tries to break a segment of the Berlin wall which is on display outside the German embassy, during a protest against EU visa regime for Ukrainian citizens in Kiev, Ukraine, November 24, 2016. (Photo by Valentyn Ogirenko/Reuters)

A man sets himself on fire during protest rallies in front of the presidential office in Kiev, Ukraine on February 26, 2020. The man, who called himself Oleksandr Burlakov, said subsequently that his motive was to draw the attention of the authorities to his plight, related to the ownership of the land parcel. (Photo by Ihor Behus/Reuters)

An abandoned protection masks in the deserted building near bypass channel for cooling at the Chernobyl nuclear power plant in the Exclusion Zone, Ukraine, April 5, 20177. The Chernobyl nuclear accident occurred on 26 April 1986 in the No.4 light water graphite moderated reactor at the Chernobyl Nuclear Power Plant near Pripyat. An estimated 47,000 people of the city of Pripyat were evacuated after the explosion in 1986. (Photo by Vitaliy Holovin/Corbis via Getty images)

An artist performs with a lion during the presentation of the new international show “Extreme arena” at the Ukrainian National Circus in Kiev, Ukraine, 15 September 2016. The show will be staged from 15 September to 11 December 2016. (Photo by Roman Pilipey/EPA)

Bediha Gun (L) of Turkey in action against Oleksandra Khomenets (R) of Ukraine during their semi final bout of the women's Freestyle 55kg category at the European Wrestling Championships in Budapest, Hungary, 30 March 2022. (Photo by Tibor Illyes/EPA/EFE)

Oleh Psiuk, frontman of Ukraine's Kalush Orchestra and vocalist Sasha Tab, right, are pictured by a fan before leaving the Universo Hotel, after winning the Grand Final of the Eurovision Song Contest, in Turin, Italy, Sunday, May 15, 2022. (Photo by Luca Bruno/AP Photo)

Artillerymen of the Ukrainian 80th separate airborne assault brigade fire from a BM-21 Grad multiple rocket launcher towards Russian positions on the front line near Bakhmut in the Donetsk region, on April 18, 2023, amid the Russian invasion of Ukraine. (Photo by Anatolii Stepanov/AFP Photo)