Russian policemen detain participants of an unauthorized “Russian March 2020: For freedom and justice! We go out to say that Russian lives matter” organised by Russian nationalists on the National Unity Day in Moscow, Russia, 04 November 2020. Russian nationalists demand freedom for political prisoners in prisons and a fair investigation into the deaths of political prisoners, including representatives of radical movements who were killed during detention or found dead in places of detention. (Photo by Sergei Ilnitsky/EPA/EFE)

Supporters react as U.S. President Donald Trump walks from Marine One to the White House in Washington, U.S., October 3, 2019. (Photo by Tom Brenner/Reuters)

View of a group of ostriches, in the gardens of the Palacio do Alvorada, in Brasilia, Brazil, 02 June 2020. The ostrich is the largest and heaviest bird in the world. When the chicks hatch they are between 25 and 30 cm tall, weighing about 900 grams. (Photo by Joedson Alves/EPA/EFE/Rex Features/Shutterstock)

Amundsen-Scott South Pole Station experiences months of darkness. The sun dips below the horizon on March 21, after which follows several weeks of twilight before complete darkness results. Photo taken on June 25, 2009. (National Science Foundation/Jeremy Johnson)

A man flies a kite on the Bund while buildings of Pudong's Lujiazui financial district stand across the Huangpu River as the sun rises in Shanghai, China, on Friday, October 2, 2015. (Photo by Qilai Shen/Bloomberg)

Swab Cadet Langton reads the Running Light guidebook as members of the US Coast Guard academy class of 2026 report for the first day of Swab Summer, a seven-week training programme designed to transform civilian students into military members, in Connecticut on June 27, 2022. The Swabs, as the new cadets are called, cycle through haircuts, uniform issue, drill practice and various administrative in-processing over the course of the day. (Photo by Sean D. Elliot/AP Photo)

A lemur licks a block of ice containing fruit at Rome's Bioparco zoo, Wednesday, July 5, 2017. Zookeepers at the Bioparco often give animals ice blocks with either fruit or meat on hot summer days. (Photo by Gregorio Borgia/AP Photo)

A topless Femen activist jumps on the car carrying former IMF chief Dominique Strauss-Kahn (not seen) as he arrives for his trial in Lille, northern France, on February 10, 2015. Three topless women from the protest group Femen jumped on the car of Dominique Strauss-Kahn as the former IMF chief arrived to testify at his trial for “aggravated pimping”. With slogans scrawled on their half-naked bodies and hurling insults at the car, the three protesters were quickly rounded up by police as the car entered an underground parking area. (Photo by Denis Charlet/AFP Photo)