Incredible ice caves by Anton Petrus (12 images)
Winter sunlight floods into dangerous ice-coated caves, turning the walls gold and blue. In stormy winters at lake Baikal, just north of Mongolia, water coats the insides of the caves on the lake's rocky shores, freezing into ice stalactites which hang from the ceilings. The ice stays there from January to May, preserved by the deep, cold caves for explorers like Anton Petrus to discover. The travel photographer from Kiev, Ukraine, crawled deep into the caves on the island of...