A silicon rug in the form of Adolph Hitler on display during an exhibition by Israeli artist Boaz Arad, at the Center for Contemporary Art February 22, 2007 in Tel Aviv, Israel. Arad is an Israeli artist who is dealing with the Holocaust in a provocative way. He uses the Holocaust to discuss human evil and contemporary Israel, which he says is torn and crumbling. (Photo by David Silverman/Getty Images)

University students wearing Guy Fawkes masks pose for a photoshoot of a graduation ceremony to support anti-government protests at the Hong Kong Polytechnic University, in Hong Kong, China on October 30, 2019. (Photo by Tyrone Siu/Reuters)

In this November 30, 2017 photo, Douglas scoops up mud from the bottom of the polluted Guaire River, in search of gold and anything valuable he can sell, in Caracas, Venezuela. Some stretches of the river smell of sewer while others emit a toxic odor of fuel, a stench that stays in ones nose for hours after leaving the water. (Photo by Ariana Cubillos/AP Photo)

In this May 17, 2017 photo, cowboy cook Odair Batista carries a case with food in Corumba, the Pantanal wetlands of Mato Grosso do Sul state, Brazil. Dressed with leather chaps on top of their jeans, stetson hats and a machete attached to their waists, before setting off, the men finish their breakfast with Terere, an herbal “mate” beverage served ice cold in an ox drinking horn. (Photo by Eraldo Peres/AP Photo)

Honorable Mention: “The Storm”. During I was taking photo with my nephew, the storm came and I caught this beautiful moment. Photo location: Kocaeli, Turkey. (Photo and caption by Aytül Akbaş/National Geographic Photo Contest)

A group of policemen and passers-by survey the wreckage of a taxi in Stoke Newington, London. Its front wheel lies on the pavement next to a sign bearing the ironic instruction “All Cars Stop Here”. 14th February 1930. (Photo by Fox Photos). P.S. All pictures are presented in high resolution.

A woman aims a World War II machine gun at a military show during celebration of the Defenders of the Fatherland Day in St.Petersburg, Russia, Tuesday, February 23, 2016. The day, celebrated in Russia on February 23, honors the nation's military and is a nationwide holiday. (Photo by Dmitri Lovetsky/AP Photo)

Ladies enjoyed themselves last night – while keeping safe with their face masks on in Liverpool, United Kingdom on Saturday, December 5, 2020, after coronavirus restrictions were eased following the end of the second national lockdown. (Photo by London News Pictures)