Winter Swimming, Krasnoyarsk, Siberia

Members of a local winter swimmers’ club approach and swim in the Yenisei River in the Siberian city of Krasnoyarsk.
Ice swimming is swimming in a body of water with a frozen crust of ice, which requires either breaking the ice or entering where a spring keeps the water from freezing over. This may also be simulated by a pool of water at 0 °C, the temperature at which water freezes.
Winter swimming is swimming in a body of water during winter. This may or may not involve freezing water, depending on the geographical location and the local temperature.