Two sheep fight in a competition in Zhangjiakou, Hebei province, China on August 1, 2017. (Photo by Reuters/China Stringer Network)

A woman walks with her daughter through an empty street on April 27, 2020 in Malaga, Spain. Since April 27 children under 12 are allowed to come and go from their homes more freely. Spain has had more than 209,000 confirmed cases of COVID-19 and over 23,000 reported deaths, although the rate has declined after weeks of lockdown measures. (Photo by Daniel Perez Garcia-Santos/Getty Images)

Third place: the rear leg, claw and respiratory trachea of a louse (Haematopinus suis). (Photo by Frank Reiser/Nassau Community College/Nikon Small World Photomicrography 2021)

Benfica's Portuguese forward Goncalo Ramos (R) vies with Portimonense's Japonese goalkeeper Kosuke Nakamura (L) during the Portuguese League football match between SL Benfica and Portimonense SC at Luz stadium in Lisbon on January 6, 2023. (Photo by Patrícia de Melo Moreira/AFP Photo)

Despite the mild 14°С shoppers and commuters battle against the wind and rain on Waterloo Bridge, London on December 28, 2022. (Photo by Alex Lentati/London News Pictures)

A demonstration on March 15, 1922 on Palace Roof, 57th Street and 7th Avenue, showing the shellproof steel jacket. Leo Krause wearing the jacket, which weighs 12 pounds. Shots used, 38 and 45 calibre, at close range. (Photo by Bettmann Archive)

Old Heidelberg, Dog with Pipe, 1905. (Photo by Detroit Publishing Company)

Pauline Torres carries belongings from her flooded Merced, Calif., home on Tuesday, January 10, 2023. (Photo by Noah Berger/AP Photo)