Lake Baikal is the world oldest and deepest lake. The “nature lake” is a rift lake in the south of the Russian region of Siberia. Experts say that it is approximately 25 million years old and has an average depth of 744.4 meters (2,442 ft).
It is also among the clearest lakes in the world and it contains around 20% of the world’s unfrozen surface fresh water.
The nature creates amazing things all around us. Feast your eyes with these breathtaking pictures of one of the nature wonders - the Frozen lake in Russia: