Patrick Blanc climbing along the stairs encircling the supposed oldest oak of France, a 1 200 years old estimated Quercus robur, Allouville, Normandy, France, Sept. 2015
Patrick Blanc inside the supposed oldest oak of France, a 1 200 years old estimated Quercus robur, Allouville, Normandy, France, Sept. 2015
Patrick Blanc in the supposed oldest oak of France, a 1 200 years old estimated Quercus robur, Allouville, Normandy, France, Sept. 2015
Patrick Blanc resting along the trunk of the arborescent Bougainvillea glabra, Curitiba, Brazil, Nov. 2011