Andrea Petkovic of Germany in action against Sara Errani of Italy during day one of the Mutua Madrid Open tennis tournament at the Caja Magica on May 3, 2014 in Madrid, Spain. (Photo by Julian Finney/Getty Images)

An Oakland Raiders cheerleader performs during the second half of an NFL football game against the Pittsburgh Steelers in Oakland, Calif., Sunday, October 27, 2013. (Photo by Marcio Jose Sanchez/AP Photo)

An army tank fires during a firefight against militants linked to al Qaeda near the southern Yemeni city of Zinjibar May 30, 2012. (Photo by Reuters/Yemen's Defence Ministry)

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)

A Bull Frog hops around as Carlos Costly #13 of Honduras brings the ball up against the USA at Sun Life Stadium on October 8, 2011 in Miami Gardens, Florida. (Photo by Marc Serota/Getty Images)

Dallas Cowboys cheerleaders entertain the crowds during a match against Washington Football Team at AT&T Stadium on December 26, 2021 in Arlington, Texas. (Photo by Tim Heitman/USA TODAY Sports)

The graffiti against the war in Ukraine of the street artist ChemiS in Prague, Czech Republic, March 19, 2022. (Photo by Amos Chapple/Radio Free Europe/Radio Liberty)

Police officers try to stop medical students as they protest against Sri Lanka's crippling economic crisis, outside the Health Ministry in Colombo on April 6, 2022. (Photo by Ishara S. Kodikara/AFP Photo)