South Korean students pose for a selfie following a traditional coming-of-age ceremony at Namsan hanok village in Seoul on May 15, 2017. The Coming of Age Day is the day to celebrate and encourage the youth who have reached the age of 20, which is considered the beginning of adulthood. (Photo by Ed Jones/AFP Photo)

Yang Shiguang, 77, performs stunts at a park in Xi'an, Shaanxi province, September 3, 2013. Yang has been a member of a stunt performance club since 2007, after retiring from a research institution. (Photo by Reuters/China Daily)

7th August 1941: A Soviet sniper targets the enemy with the telescopic sight on his rifle.

Palestinian children practise parkour along a beach in Gaza City at sunset on January 27, 2021. (Photo by Mohammed Abed/AFP Photo)

Lightning strikes the Willis Tower (formerly Sears Tower) in downtown on June 12, 2013 in Chicago, Illinois. (Photo by Scott Olson/Getty Images)

A woman poses for a photographer (not pictured) as a man sits next to her in downtown Catania, Italy April 20, 2016. (Photo by Tony Gentile/Reuters)

Mount Etna erupts in Sicily, Italy on February 21, 2021 sending plumes of ash and spewing lava into air. There was a major increase in volcanic activity that led to a paroxysmal event at the Southeast crater for the fourth time in the past six days. (Photo by Wead/Alamy Live News)

A dog wearing ski goggles rides on the back of a man as they both stand in Times Square in New York, USA on January 25, 2021. (Photo by John Angelillo/UPI/Rex Features/Shutterstock)