A man admires a sculpture in the series entitled 'Circle of Animals/Zodiac Heads' by Chinese artist Ai Weiwei in the courtyard of Somerset House on May 11, 2011 in London, England. The installation comprises of 12 bronze heads of animals which feature in the Chinese zodiac. The artist Ai Weiwei, who is outspoken in his criticism of the Chinese administration, was detained by authorities in Beijing on April 3, 2011 and his whereabouts remain unknown.

In this photograph taken on April 16, 2014, a veterinary staff member of the Sumatran Orangutan Conservation Programme center conducts medical examinations on a 14-year-old male orangutan found with air gun metal pellets embedded in his body in Sibolangit district in northern Sumatra island. (Photo by Sutanta Aditya/AFP Photo)

Two three-month-old female white Bengal tiger cubs play with a zoo keeper in their enclosure at the Buenos Aires' Zoo, in Argentina, on April 17, 2014. Captive white Bengal tiger Cloe, gave birth to three cubs – two females and one male – on January 14, 2014. (Photo by Juan Mabromata/AFP Photo)

Animal rights activists covered with fake blood sit on the floor during a protest against the use of animals in research to mark World Day for Animals in Laboratories in central Madrid April 24, 2014. The sign reads, “How many rabbits do your shampoo kill?”. (Photo by Andrea Comas/Reuters)

Animal rights activists from People for the Ethical Treatment of Animals (PETA) stage a “die-in” to mark World Vegan Day in Piccadilly Circus in London, Monday, November 1, 2021. The demonstration sought to draw attention to the suffering and death of animals in the meat, egg and dairy industries. (Photo by David Cliff/AP Photo)

Animal rights activists dressed up as rabbit carry signs that read “Ajinomoto Stop Animal Testing” as they protest outside Ajinomoto headquarters in Kuala Lumpur on January 20, 2023, ahead of Lunar New Year. Activists call for the end of Japanese food company testing on rabbits, dogs, pigs and other animals. (Photo by Arif Kartono/AFP Photo)

Cosplayers take a break from the convention to check their phones and get coffee during “Anime Boston 2024” at the Hynes Convention Center in Boston, Massachusetts, on March 30, 2024. The convention is organized by the New England Anime Society and celebrates all things Japanese animation, comics and popular culture. (Photo by Joseph Prezioso/AFP Photo)

An animal rights activist washes herself with red dye to mimic blood during a protest against the testing of shampoo on animals in Barcelona. April 24, 2012. (Photo by Raul Albaledo/AFP Photo)