Swedish brown bears “Fred” and “Frode” play in the snow on January 30, 2014 at the Natur- und Umweltpark (NUP) animal park in Guestrow, northeastern Germany. Despite of icy temperatures, the bear brothers took a break from their winter rest. (Photo by Bernd Wuestneck/AFP Photo/DPA)

Young girls attend a training session in MGFSO Olympic reserve school in Moscow on May 30, 2016. (Photo by Kirill Kudryavtsev/AFP Photo)

A wild cow jumps over revelers in the bullring after the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2016. (Photo by Eloy Alonso/Reuters)

In this Wednesday, June 8, 2016 photo, Joe Giles, an actor portraying a zombie in “The Walking Dead”, poses with social media reporter Danielle Datu during a walker boot camp at Universal Studios Hollywood in Los Angeles. (Photo by Jae C. Hong/AP Photo)

A young girl chases pigeons as Muslim worshippers gather to perform the Eid al-Fitr morning prayer at the Grand Mosque in Saudi Arabia's holy city of Mecca to mark the end of the fasting month of Ramadan, on May 13, 2021. (Photo by Abdulghani Essa/AFP Photo)

Overlooking qingshuitan Wetland Park in the air, thousands of Chinese fir trees turn green. Gaoyou City, Jiangsu Province, China, April 20, 2020. April 22 is world earth day. (Photo credit should read Costfoto/Barcroft Media via Getty Images)

The aerobatic demonstration team of the Italian Air Force, the Frecce Tricolori (“Tricolor Arrows”), fly over the Basilica of Saint Mary of Health as they perform as part of a nationwide tour to show unity and solidarity following the outbreak of the coronavirus disease (COVID-19), in Venice, Italy, May 29, 2020. (Photo by Manuel Silvestri/Reuters)

Cookie the cockapoo dog is enjoying herself on the beach by jumping over a sea defence as the sun shines at Heacham, West Norfolk, England on July 14, 2020. (Photo by Paul Marriott/Rex Features/Shutterstock)