Boasting vast clam farming fields, Tien Hai is called by northern delta fishermen as the cradle of “villages on the sea” (Photo: VNA)

Tien Hai district has 3,000 hectares of clam farming along its 20km coastline (Photo: VNA)

People in Tien Hai started farming clams in the late 1980s. Fishermen gathered clams from the sea and took them to the sand dunes and built shelters to raise clams (Photo: VNA)

It took only 10 months to grow finger-sized clams into commercial ones, turning a decent profit for clam farmers (Photo: VNA)

Besides permanent employees, clam farms create thousands of jobs for locals (Photo: VNA)

The seed clams raised in Nam Thinh commune are now sold in the neighboring provinces and more than 40% of its commercial clams are exported abroad (Photo: VNA)