National Geographic : 1928 May
11 IN SALVADOR, AS AROUND VESUVIUS, PEASANTS PUSH THEIR FIELDS FARUP VOLCANIC SLOPES As from the muzzle of some gigantic gun, red-hot rocks and deadly gas once belched from this huge hole. Then itquieted; theyears cooled it. Slowly, through the centuries, forests crept up its scorched slopes. Then man, forgetting the lessons of ancient eruptions, followed theclimbing tree line, clearing his fields, building his winding road, like a bit of white string, even along the crater's rim.