(VOVworld) – In the early 1970s, a cinnamon-growing model was launched in Van Yen district, Yen Bai province. Since then the tree has become a primary local product and improved local...
(VOVworld) – Born in the mountain district of Van Yen, Yen Bai province, Ban Thi Khe of Dao ethnicity is determined to raise her children and give them an education