Two carnival revellers masquerade as Leonardo da Vinci's painting “Mona Lisa” pose in St. Mark's Square in Venice, Italy, Sunday, January 31, 2016. Carnival-goers in Venice are being asked by police to momentarily lift their masks as part of new anti-terrorism measures for the annual festivities. (Photo by Domenico Stinellis/AP Photo)

National Guardsmen are put through riot training in Boston's Commonwealth Armory on Friday, October 18, 1974. Massachusetts Gov. Francis W. Sargent called up the guard to quell school violence, but the city has been relatively calm and the guard has remained in the armories. (Photo by JWG/AP Photo)

People take part in a lowrider car show celebrating lowriding culture and supporting immigration, in San Francisco, California, U.S., September 20, 2025. (Photo by Manuel Orbegozo/Reuters)

A woman gets ready for her performance at the backstage of the Heart restaurant in Ibiza on June 29, 2015. Take the Spanish chefs Ferran and Albert Adria, the Cirque du Soleil founder French Guy Laliberte and contemporary artists such as Japanese Takashi Murakami. Put them together on the luxurious Mediterranean island of Ibiza and shake well to get “Heart” an innovative multi-sensory experience. The idea of provoking emotions through a collision of avant-garde creativities appeared two years ago from Adria brothers and Laliberte's passion about art and cuisine. They met a decade ago at the famous restaurant El Bulli, closed in 2011. (Photo by Jaime Reina/AFP Photo)

Vitaly Gorshkov, a wildlife photographer, captured these animals in their natural habitat. He says that these animals are so hairy that it is difficult to distinguish the front from the back. The oxen aren’t really afraid of humans that is why it is easy to approach them and take pictures.

“Sperm whale opening it's huge mouth, Ogasawara Islands, Japan. Sperm whales are the biggest carnivorous animals on the planet. Each teeth in the mouth of adult specimen weights more than 1 kilogram. Interestingly enough that modern marine biologists believe that these teeth despite being fearsome play little role in capturing and eating giant squid – with their main function being mainly ritual aggression between males!”. (Photo by Alexander Safonov)

Nicole Kidman arrives for the world premiere of "Holland" at the Paramount Theatre during the South by Southwest Conference and Festival on Sunday, March 9, 2025, in Austin, Texas. (Photo by Jack Plunkett/Invision/AP Photo)

Supporters of U.S. Democratic presidential nominee Hillary Clinton react at her election night rally in Manhattan, New York, U.S., November 8, 2016. (Photo by Lucas Jackson/Reuters)