Models painted in camouflage colours to blend in with the background pose for Chinese artist Liu Bolin's artwork “Dongji”, or Winter Solstice, on the second day after China's capital Beijing issued its second ever “red alert” for air pollution, in Beijing, China, December 20, 2015. In this artwork, Liu wants to express his concerns about China and its people, including air pollution problem, Liu told Reuters. (Photo by Kim Kyung-Hoon/Reuters)

An activist with a painted face symbolizing the count of days spent in captivity attends the Free Azov rally in support of the captured defenders of Mariupol on April 21, 2024 in Kyiv, Ukraine. The participants came out to remind about the Ukrainian soldiers who have been held in Russian captivity for more than two years. (Photo by Yan Dobronosov/Global Images Ukraine via Getty Images)

A woman has her hands painted with traditional henna as she attends Eid al-Adha prayers at historical Badshahi mosque in Lahore, Pakistan, Monday, June 17, 2024. Eid al-Adha or Feast of Sacrifice, the most important Islamic holiday, marks the willingness of the Prophet Ibrahim, Abraham to Christians and Jews, to sacrifice his son. During the holiday, which in most places lasts three days, Muslims slaughter goat, sheep or cattle, distribute part of the meat to the poor. (Photo by K.M. Chaudary/AP Photo)

Paint splattered police officers look on during clashes outside Top Shop on Oxford Street, during marches in protest at government cuts on March 26, 2011 in London, England. Thousands are taking part in the Trades Union Congress (TUC) organised march to Hyde Park where a rally will take place. Police say they are deploying 4500 officers. (Photo by Dan Kitwood/Getty Images)

A visitor to ''The Cult of Beauty: The Aesthetic Movement 1860-1900'' exhibition at The V&A Museum looks at sculptures by Thornycroft (L) and Watts on March 30, 2011 in London, England. This exhibition brings together for the first time many masterpieces in painting, sculpture, design and furniture as well as fashion and literature and runs from April 2nd to July 17th 2011.

Andy Swan “Zippy the Clown” from Sacramento, California, drives his “elelphant” car during a break at the 2011 Clowns of America International Convention on April 15, 2011 in Anaheim, California. Several hundred clowns, from all over the United States and from as far as Puerto Rico and Germany, are attending the convention to compete in skits and hone their skills in the art of balloon-making and face-painting. (Photo by Kevork Djansezian/Getty Images)