lac Baïkal
/ˈfɔs de- tɔ̃ɡˈakɛʁmadˈɛk/
n
English: Lake Baikal · 贝加尔湖
Sens：The world’s oldest (25 million years) and deepest lake (1,620 meters); Lake Baikal is 600 km long and 60 to 80 km wide and is frozen six months of the year. common coastal features examples of shorelines lakes