Silk craft villages have dotted Vietnam for hundreds of years. They make silk by hand in a tedious 30-step process. Craftspeople feed the silkworms every four hours so they spin brilliantly yellow cocoons. And turning those cocoons into silk is even more...

There are reportedly more than 5,000 villages across Vietnam working on traditional crafts like incense sticks and fishing baskets. Some are part of a government program that has generated about $1 billion a year in exports. We traveled across Vietnam to...