An Afghan man works at a traditional yarn factory in Heart province, Afghanistan July 28, 2015. (Photo by Mohammad Shoib/Reuters)

A man rides a horse at a playground on a hill in Kabul April 19, 2015. (Photo by Mohammad Ismail/Reuters)

A man performs a split as he practices Kung Fu at Beihai Park in Beijing, China August 20, 2017. (Photo by Reuters/China Stringer Network)

A man surfs during a local competition in the Mediterranean Sea, near Ashdod, Israel November 17, 2016. (Photo by Amir Cohen/Reuters)

A man feeds monkeys at Longchi scenic area, in Dujiangyan, Sichuan province, China May 24, 2017. (Photo by Reuters/Stringer)

A man dressed as Santa Claus sits at a bus stop before an annual race in Belgrade, Serbia December 27, 2015. (Photo by Marko Djurica/Reuters)

A man holds his scythe during the Harvest Festival in Hosszuheteny, Hungary, July 9, 2016. (Photo by Laszlo Balogh/Reuters)

A man looks at waves as they crash against a lighthouse in the northern Spanish village of Viavelez, Spain January 13, 2017. (Photo by Eloy Alonso/Reuters)