Patrick Blanc holding a bag of botanical samples, Radeau des Cimes, Canopy Raft expedition, Cameroon, 1991
Patrick Blanc and Pascal Heni feeding the bat, Myonycteris torquata, Canopy Raft expedition, Cameroon, 1991
Patrick Blanc and Francis Halle looking at a botanical sample, Radeau des Cimes, Canopy Raft Expedition, Cameroon, 1991