Ukrainian President Volodymyr Zelenskiy swims in the Black Sea, in this still frame taken from video, in Odessa, Ukraine July 13, 2019. Newly-elected Ukrainian president took a dip in the chilly Black Sea together with other bathers. Ukrainian Presidential Press Service/Handout via REUTERS

Ukrainian President Volodymyr Zelenskiy talks before taking a dip into the Black Sea, in this still frame taken from video, in Odessa, Ukraine July 13, 2019. President first, that's a rule' says one of them before letting the president take a cool dive. Ukrainian Presidential Press Service/Handout via REUTERS

Ukrainian President Volodymyr Zelenskiy walks to take a dip into the Black Sea, in this still frame taken from video, in Odessa, Ukraine July 13, 2019. Ukrainian Presidential Press Service/Handout via REUTERS

Ukrainian President Volodymyr Zelenskiy walks to take a dip into the Black Sea, in this still frame taken from video, in Odessa, Ukraine July 13, 2019. Ukrainian Presidential Press Service/Handout via REUTERS