59K views · 3.4K reactions | Maria Olshevskaya, a freediver from St. Petersburg, set a Russian record for freediving under the ice on Lake Baikal, check it out! Courtesy: @_free_om_ | Future Russia | Facebook

Siberia’s Lake Baikal is the world’s deepest and oldest lake. Aleksandr Shumskas, a Russian man, takes the plunge and swims 25 meters under the ice. | CGTN

148K views · 1.2K reactions | Today’s feature takes you to the frozen beauty of Lake Baikal, where Olga Markina sets a breathtaking Under Ice World Record — diving to 71 meters on a single breath. She also shares the little secrets that help her perform in extreme, freezing conditions. You don’t want to miss this one.  Full video: https://www.youtube.com/watch?v=rspLWx8lYkQ | Molchanovs | Facebook