Panning across the crater of Ol Doinyo Lengai and views of active 'hornitoes'.
Young Explorers map the crater of Ol Doinyo Lengai using a reflectorless Leica TPS1205.
Lava erupting from one of the 'hornitos' and lava flowing over the crater rim.
Kerimasi is an extinct volcano to the south of Ol Doinyo Lengai.
Ed sits on the rim of Ol Doinyo Lengai overlooking the plains of northern Tanzania.