A German Shepard bares its teeth during Schutzhund attack dog training at Witmer-Tyson Imports February 14, 2002 in Newark, CA. (Photo by Justin Sullivan/Getty Images)

American singer-songwriter Madonna nearly bares it all while partying after the Fashion Awards with English singer Dua Lipa and photographer Mert Alas on November 29, 2021 in London, England. (Photo by Instagram)

Lourdes Leon dares to bare just like her superstar mother Madonna as she stars in a new Dion Lee campaign on August 2, 2023. Stunning Lourdes, also known as Lola, poses in nothing but boots and handbags for the fashion brand's new Cage Chain collection. (Photo by Carlota Guerrero/Dion Lee/The Mega Agency)

A lioness bares its teeth inside an enclosure after a raid at a zoo-like house on the outskirts of Bangkok, Thailand Monday, June 10, 2013. Thai police and forestry officials searched and seized a number of imported and endangered animals including 14 lions from Africa and arrested the house's owner. (Photo by Apichart Weerawong/AP Photo)

Climate activists of the “Last Generation” covered with mud protest in front of the Senate building in Rome, Italy, Tuesday, May 23, 2023. Two bare breast activists have smeared the facade of the senate with mud, shouting the slogan: “Help us for the ecological transition”. (Photo by Cecilia Fabiano/LaPresse via EXPA)

A visitor celebrates after attending a bare hand fishing event in a frozen river during the Hwacheon Sancheoneo Ice Festival at Hwacheon-gun, Gangwon province, South Korea, 09 January 2016. The festival runs under the theme “Unfrozen Hearts, Unforgettable Memories” from 09 January to 31 January 2016. (Photo by Jeon Heon-Kyun/EPA)

More than 400 people stripped off and ran into freezing waters to celebrate the autumn equinox – and raise money for charity at Druridge Bay, Britain, September 25, 2016. It was the largest turnout the North East Skinny Dip has ever seen in its five-year history, and it was also the first time it has ever rained on the morning of the event. Revellers gathered from 5.30am on Sunday at Druridge Bay, in Northumberland, before baring all in the North Sea. (Photo by David Charlton Photography)

“Just hanging out”. As full autumn hits the valley of Hallingdal in Norway, this bear chills out in a tree which seems to barely cover its weight. Photo location: Flå, Hallingdal, Norway. (Photo and caption by Jorgen Tharaldsen/National Geographic Photo Contest)