National Geographic Travelのインスタグラム(natgeotravel) - 4月28日 00時05分

Photograph by George Steinmetz @geosteinmetz
A boat along the Niger River in Northern Mali tries to let the wind speed its trip downstream to Gao. The river is the main transportation artery in this remote stretch of the Niger River where it forms the southern boundary of the Sahara. To see more of our world from above follow @geosteinmetz

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