AFP presents a series pf photographs featuring five times freediving world champion France's Arthur Guerin-Boeri as he swims with Orcas (Killer Whales) in the waters off Spildra Island in the northern Arctic Circle taken in January 2023. - Arctic Atlantic ocean is at +3C as the air temperature is -4C at this time of the year during the polar nights. (Photo by Olivier MORIN / AFP)