Emi Koussi volcano in northern Chad – at almost 3500 m, it is not only the highest mountain in Chad, but also the highest in the Sahara #EarthFromSpace #Sentinel2
Download and explore: https://t.co/ZfABMgQKhY pic.twitter.com/MiIoqmFRce

— ESA (@esa) May 4, 2018