Africa is building a wall — not of concrete, but of trees.
Stretching 8,000 km from Senegal to Djibouti, the Great Green Wall is an ambitious effort to halt the spread of the Sahara, restore degraded land, and improve the lives of 100 million people.
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https://blossom.primal.net/08a3bc2cbb4190f211f42b21349f6b4265f8167b80c556ff38c526c23e4ad4fa.mp4