In this week's #EarthFromSpace, the #Sentinel3 A satellite takes us over southern #Siberia and the world’s largest freshwater lake: Lake Baikal - 25 million years old, it contains about 20% of the world’s fresh surface water!
🎥 Watch here: https://www.youtube.com/watch?v=LEW7llDwNBA https://twitter.com/esa/status/982168416747372544/photo/1 source: https://twitter.com/esa/status/982168416747372544