(VOVWORLD) - Located at the center of the northwestern region, Son La province boasts prominent advantages in its soil and temperate climate, and is quite expansive at over 14,000 square kilometers...
(VOVWORLD) - The mountain district of Duc Linh in Binh Thuan province is encouraging local farmers to grow mulberries and raise silkworms using new techniques and seedlings. Their profitability is three...