Italian island of Sardinia using longevity of residents to attract visitors

Small communities on the Italian island of Sardinia are using the stunning longevity of their residents to attract tourists. Sardinia is home to one of five “Blue Zones” around the world, where locals have been found to have “exceptional” longevity. The others are in Japan, Costa Rica, Greece and the US state of California. Giles Gibson reports from the Sardinian town of Seulo.