The T4 mission team in front of the engravings of the spirals in the Oued Djérat (Tassili-n'Ajjer). From the left: a Touareg, Edouard Bois de Chesne, commissioned by television to make a five-part film series about the Sahara, Mrs Eva Bruggmann, Pascal Pol, Sylvio Acatos, journalist, and Maximilien Bruggmann, head of Mission T4.
The T4 mission team in front of the engravings of the spirals in the Oued Djérat (Tassili-n'Ajjer). From the left: a Touareg, Edouard Bois de Chesne, commissioned by television to make a five-part film series about the Sahara, Mrs Eva Bruggmann, Pascal Pol, Sylvio Acatos, journalist, and Maximilien Bruggmann, head of Mission T4.