Lowry Park Zoo elephants Matjeka, 23, and her 1-year-old daughter, Mavi, apply a liberal coating of “sunscreen” to themselves in a clay mud wallow at the park Tuesday, August 12, 2014, in Tampa, Fla., on the park's first observation of World Elephant Day to raise awareness of the wild African elephant crisis. “Elephants are prone to being sunburned”, said associate curator Chris Massaro. “What they need is lot of mud or clay to roll around in and cover up their skin so it will protect it from the sun”. (Photo by Cherie Diez/AP Photo/The Tampa Bay Times)

Residents with faces covered in ash ride on a motorcycle as Mount Sinabung volcano erupts, in Sukandebi village in Karo Regency, Indonesia's North Sumatra province, Indonesia June 13, 2015, in this photo taken by Antara Foto. (Photo by Rony Muharrman/Reuters/Antara Foto)

A tearful Beatle lover pleads unsuccessfully with a policeman to carry her fan button to Ringo, one of the four mop-top singers who drew squeals and shrieks from more than 30,000 spectators at two Indiana State Fair shows in Indianapolis on September 4, 1964. (Photo by Bob Daugherty/AP Photo)

A brown bear waits for food at the zoo in Madrid, Spain on July 30, 2016. (Photo by Jorge Sanz/Pacific Press/SIPA Press/Rex Features/Shutterstock)

Britain's Health and Social Care Secretary Matt Hancock wears Union Jack socks as he leaves with Britain's Leader of the House of Lords Baroness Evans after a cabinet meeting on Downing Street in London, Britain on January 7, 2020. (Photo by Toby Melville/Reuters)

Women practice “katte samu”, a rural traditional self-defence martial art during a workshop organised by the The Department of Language, Art and Culture of Telangana state for the upcoming International Women Day in Hyderabad, on March 6, 2020. (Photo by Noah Seelam/AFP Photo)

A crab-eating fox (Cerdocyon thous), also known as the forest fox, wood fox, or maikong, is seen in the wild in the municipality of Guasca, some 50 km from Bogota, on May 16, 2020. (Photo by Diana Sánchez/AFP Photo)

A woman raises her fist during events to mark Juneteenth, which commemorates the end of slavery in Texas, two years after the 1863 Emancipation Proclamation freed slaves elsewhere in the United States, amid nationwide protests against racial inequality, in the Harlem neighbourhood of Manhattan, in New York City, New York, June 19, 2020. (Photo by Andrew Kelly/Reuters)