The student from Nguyen Trai secondary school in the northern province of Hai Duong topped 900,000 other entrants.This year, the competition asked writers between 10 and 15 years old to write a 1,000 words or less letter to their 45-year-old selves.Trang’s letter will be translated into French and English to compete at the 45th UPU International Letter-Writing Competition for Young People in Switzerland.Last year, Truong Hai Nam, an eighth grader from Nguyen Huu Loc secondary school in Thanh Hoa province, won the consolation prize in the international round.