Bangladeshi fisherman feed their otters as they catch fish in Narail some 208 kms from Dhaka on March 11, 2014. The fishermen are using a rare technique that relies on coordination between man and trained otters, a centuries-old fishing partnership that has already long died out in other parts of Asia. (Photo by Munir Uz Zaman/AFP Photo)

Members of the Communist New Fourth Army on parade. Note how the modern equipment contrasts with the shoeless soldiers in the foreground. (Photo by Hulton Archive/Getty Images). 6th July 1946

People protest for greater action against climate change during the People's Climate March on September 21, 2014 in New York City. The march, which calls for drastic political and economic changes to slow global warming, has been organized by a coalition of unions, activists, politicians and scientists. (Photo by Andrew Burton/Getty Images)

A dog at the Zoozashchita-NN veterinary clinic in Nizhny Novgorod, Russia on February 19, 2021. On February 13, 13 stray dogs with bright blue fur were found and caught at the Dzerzhinskoye Steklo (Dzerzhinsk Glass) factory producing acrylic glass and prussic acid in the city of Dzerzhinsk. The dogs' fur tested positive for the Prussian blue pigment; now the dogs are under supervision at the Zoozashchita-NN vet clinic in Nizhny Novgorod. (Photo by Mikhail Solunin/TASS)

People participate in the Winter Snow Sports Festival in Kalam, about 99 km from Mingora in the northern upper reaches of Swat valley on February 12, 2022. (Photo by Abdul Majeed/AFP Photo)

Dave Woods, 47, waits on an overpass in support for trucks driving in a convoy bound for the nation's capital to protest against coronavirus disease (COVID-19) vaccine mandates, in Wabash Township, Illinois, U.S. March 1, 2022. (Photo by Cheney Orr/Reuters)

People watch fireworks light the sky as they attend a ceremony celebrating Noruz (Nowruz), the Persian New Year, at the Iran Mall shopping centre in Iran's capital Tehran, on March 20, 2022. (Photo by AFP Photo/Stringer)

Lola, owned by Kate Hansen, of Des Moines, Iowa, waits to be judged at the annual Drake Relays Beautiful Bulldog Contest, Monday, April 25, 2022, in Des Moines, Iowa. The pageant kicks off the Drake Relays festivities at Drake University where a bulldog is the mascot. (Photo by Charlie Neibergall/AP Photo)