An ancient tradition saved a Spanish forest. Now the tradition needs saving.

It's been the worst forest fire season in Spain's history. But in the center of the country stands Europe's largest pine forest, unscathed. At first glance, it's hard to understand why the 100,000 hectares (about 247,000 acres) around Burgos haven't gone up in flames. It's hot and dry there too, with no rain. The answer: The Draw of Pines, an ancient system of local forest stewardship. Now, that tradition the risk of irrelevance, as society changes. The World's Gerry Hadden reports from Soria, Spain.