Long row of shiny new Flying Fortresses, part of huge reserves being built up in Britain for D-Day, stands by to be flown to combat units as replacements, May 25, 1944. (Photo by AP Photo)

A grey seal basks under a rainbow on a beach on the Lincolnshire coast, England on November 21, 2017. (Photo by Sean Weekly/Caters News Agency)

A chicken gingerly crosses the double yellow line of a country road near Roseburg in western Oregon, USA on July 16, 2018. (Photo by Robin Loznak/ZUMA Wire/Alamy Live News)

Schoolchildren from local schools take part in the children's races prior to the annual Pancake race in Olney, Buckinghamshire, England, Tuesday, February 25, 2020. Every year women clad in aprons and head scarves from Olney and the city of Liberal, in Kansas, USA, run their respective legs of the race with pancakes in their pans. According to legend, the Olney race started in 1445 when a harried housewife arrived at church on Shrove Tuesday still clutching her frying pan with a pancake in it. (Photo by Alastair Grant/AP Photo)

Copperhead ridden by Harry Cobden falls during the RSA Insurance Novices' Chase (Grade 1) at Cheltenham Racecourse on March 11, 2020 in Cheltenham, England. (Photo by Tom Jenkins/The Guardian)

The three orangutans at Pairi Daiza zoo, Belgium, developed a “special bond” with the otters after their river was run through the ape enclosure on March 2020. The zoo said it enriched both species’ environments. An animal – and this is even more the case of orangutans, with whom humans share 97 per cent of their DNA – must be entertained, occupied, challenged and kept busy mentally, emotionally and physically at all times. (Photo by Pascale Jones/The Sun)

National Police members disinfect Venezuelan citizens returning to the country from Colombia, as a preventive measure against the spread of the coronavirus –COVID19- at the Simon Boliviar International Bridge, in Cucuta, Colombia-Venezuela border, on April 4, 2020. Since the first case of COVID-19 was detected last March 6, Colombia has reported 1,406 people infected and 32 dead. (Photo by Schneyder Mendoza/AFP Photo)

A kite flying contest is held in Nantong, east China's Jiangsu featuring various kites of different shapes on December 20, 2017. (Photo by SIPA Asia/Pacific Press/Barcroft Images)