Occurred on November 18, 2021 / Elektrostal, Moscow Oblast, Russia
Info from Licensor: "In the city of Elektrostal, a man rescued a boy who fell through the first ice on a pond. Several schoolchildren decided to test the ice strength on the pond. Denis reached the middle and then fell through the ice. An adult man rushed to his aid, swam to the boy, and pulled him out. The rescuer left before the police arrived."