Delegates press the button to start the contest (Photo: thongtintuyengialai.vn) The contest will last from August 29 to December 2. It is open for people of all social classes and is available online. Từ khóa: VOV VOVworld Contest Vietnamese seas islands 40 years 1982 UN Convention Law Sea Gia Lai Tan Cang Sai Gon Feedback Submit Xem thêm