The volcano Ol Doinyo Lengai, the Masai's Holy Mountain, Tanzania, East Africa, Africa

Oldonyo Lengai volcano, 2878m, Ngorongoro Conservation Area, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Trekkers and Oldonyo Lengai volcano, Ngorongoro Conservation Area, Tanzania, East Africa, Africa

Shore of Lake Natron, Oldoinyo Lengai volcano at back, Tanzania, Africa

The active volcano Ol Doinyo Lengai in the East African Great Rift Valley, 2960m, Tanzania, Africa

The active volcano Ol Doinyo Lengai in the East African Great Rift Valley, 2960m, Tanzania, Africa

Peak of the active volcano Ol Doinyo Lengai, 2960m, Tanzania, Africa

Abandoned Maasai huts, eruption of Ol Doinyo Lengai volcano in 2007, northern Tanzania, Africa

View from Ngorongoro Crater Highlands on Ol Donyo Lengai, Gelai, Keremassi and Mount Meru volcanoes, East African Rift, Tanzania, Africa

Eroded landscape around the volcano Ol Doinyo Lengai, 2960 m, Tanzania, Africa

Eruption of Ol Doinyo Lengai volcano in 2007, northern Tanzania, Africa

Dark magma extruding from one of the chimneys of the volcano Ol Doinyo Lengai, 2960m, Tanzania, Africa

Shore of Lake Natron, Oldoinyo Lengai volcano at back, Tanzania, Africa

Peak of the active volcano Ol Doinyo Lengai, 2960m, Tanzania, Africa

Shore of Lake Natron, Oldoinyo Lengai volcano at back, Tanzania, Africa