National Geographic Daily News

Lake Natron, Tanzania

Photograph by George Steinmetz, National Geographic

An airplane casts a shadow over the red waters of Lake Natron in Tanzania, part of the East African Rift Valley. The water's red hue is due to algae that live on salts spewed from nearby volcanoes. The East African Rift Valley system begins in northern Syria and extends across East Africa into Mozambique.

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