(VOVWORLD) - Dao Khuong Duy, a six grader from the Mekong Delta province of Ben Tre, won third prize at the 52nd Universal Postal Union (UPU) International Letter-Writing Competition for Young...
(VOVworld) - The 44th Universal Postal Union (UPU) International Letter Writing Contest was launched in the northern port city of Hai Phong on Thursday under the theme “Tell us about the...