Hundreds of hardy swimmers across Britain braved jumping into freezing cold waters for a annual Christmas Day dip on December 25, 2017. (Photo by Dave Nelson/The Sun)
Sun Rongchun, 57, exercises with an improvised cervical traction device attached to a high bar at a sports complex in Shenyang, Liaoning province, China on April 9, 2019. (Photo by Sheng Li/Reuters)
Dario Sammartino, of Italy, competes at the final table during the World Series of Poker at the Rio hotel-casino in Las Vegas Sunday, July 14, 2019. (Photo by Steve Marcus/Las Vegas Sun via AP Photo)
The sun sets on Walney Island, Cumbria, county in North West England on October 10, 2019. Today will be unsettled with spells of heavy rain. (Photo by GREENBURN/Alamy Live News)
Iceland horses play on a meadow of a stud farm in Obernhain near Frankfurt, Germany, as the sun rises Thursday, July 23, 2020. (Photo by Michael Probst/AP Photo)
A girl wears a mask to help protect herself from the new coronavirus jogs as the sun sets over the Mediterranean Sea coastline, in Beirut, Lebanon, Tuesday, April 14, 2020. (Photo by Hassan Ammar/AP Photo)
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)
A tourist watches as the moon passing in front of the sun as it approaches a full solar eclipse in the northern Australian city of Cairns November 14, 2012. (Photo by Tim Wimborne/Reuters)