Wow, c'est très originale comme photo ! Ce lac fait 636 km de long, et va jusqu'à une profondeur de 1,7 km.
What are these bubbles frozen into Lake Baikal? Methane. Lake Baikal, a UNESCO World Heritage Site in Russia, is the world's largest (by volume), oldest, and deepest lake, containing over 20% of the world's fresh water.
Methane Bubbles Frozen in Lake Baikal
Source: apod.nasa.gov
Image Credit & Copyright: Kristina Makeeva