Elzéard Bouffier reforests a dead Provençal valley
From about 1913, a widowed shepherd in the barren Alpine foothills of Provence sorted acorns each evening, choosing the hundred soundest, and planted them one by one with an iron rod. He added beech and birch, kept planting through two world wars, and never sought help or recognition. By the late 1940s the valley had forests, running streams and resettled villages supporting more than 10,000 people, who mostly assumed it had grown naturally.