On March 31, 2025, within the framework of the Mekong - Lancang Week, the University of Social Sciences and Humanities, Vietnam National University, Hanoi (VNU-USSH) in collaboration with the Department of Economic Diplomacy, Ministry of Foreign Affairs successfully organized the contest "Learning about Mekong sub-regional cooperation". The contest was organized to enhance students' understanding of the Mekong - Lancang region; promote cooperation in the Mekong - Lancang region; Create a playground for university students to exchange knowledge and practice skills.