Wearing nothing but a bathing suit, a swimming cap and an underwater mask, the 40-year-old woman plunged into a carved-out section of a frozen Siberian lake, before diving under the ice to swim in ...
More such craters could be hiding in plain sight as they can quickly fill up with water and dirt, researchers say ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results