The Senegal River valley
iss057e111395 (Dec. 4, 2018) --- The Senegal River valley that marks the border between the Atlantic coast nations of Senegal and Mauritania is pictured as the International Space Station orbited 252 miles above the African continent.
Image Credit: NASA
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https://www.nasa.gov/image-detail/the-senegal-river-valley-31354669947-o/
TakenDecember 4, 2018
Image CreditNASA
Size5568x3712px