A woman takes a selfie picture at the Poklonnaya Hill in western Moscow near the main building of the Moscow State University on June 17, 2020, as the air temperature approaches 30 degrees Celsius. (Photo by Alexander Nemenov/AFP Photo)

Andreyka, a 10-month-old female bear cub, plays with Rommi, an Alaskan malamute, at the Siberian Zoo in the settlement of Listvyanka, Irkutsk Region, Russia on December 9, 2020. The bear cub, which was found in a weak condition earlier this year, now play-fights with the Alaskan malamute, who adopted her and has seen three generations of bear cubs brought up in the Siberian zoo and released back into the wild. (Photo by Yuri Novikov/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)

A couple kisses in a central Barcelona street during the first night without the state of alarm, on 9 May, 2021 in Barcelona, Catalonia, Spain. The state of alarm that the Government decreed for the second time six months ago ended at 00.00 hours this Sunday, May 9. In Catalonia this has led to the fall of the curfew and the perimeter confinement of the Community. (Photo By Lorena Sopena via Getty Images)

Switzerland's Belinda Bencic celebrates after defeating Czech Republic's Marketa Vondrousova during their Tokyo 2020 Olympic Games women's singles tennis final match at the Ariake Tennis Park in Tokyo on July 31, 2021. (Photo by Yara Nardi/Reuters)

Kids play in water to cool off during the scorching weather of a heatwave at a River Landing splash park in Saskatoon, Saskatchewan, Canada July 2, 2021. (Photo by David Stobbe/Reuters)

Belgian-British teenager Zara Rutherford closes the canopy of her Shark Ultralight airplane as she prepares to take off at the Kortrijk-Wevelgem airfield in Wevelgem, Belgium, Wednesday, August 18, 2021. A Belgian-British teenager took to the skies Wednesday in her quest to become the youngest woman to fly around the world solo. Nineteen-year-old Zara Rutherford took off from an airstrip in Wevelgem, Belgium, in an ultralight plane looking to break the record set by American aviator Shaesta Waiz, who set the world benchmark at age 30 in 2017. (Photo by Virginia Mayo/AP Photo)

First year cadets of the Vladivostok branch of Russian Internal Affairs Ministry's Far Eastern Law Institute march in formation during a ceremony to take oath of allegiance at a monument to Internal Affairs Ministry officers who lost their lives in line of duty in Vladivostok, Russia on September 24, 2021. 27 cadets took oath of allegiance during the ceremony. (Photo by Yuri Smityuk/TASS)