Ключевые слова: 54359, classroom, collaboration, committee, conference, conversation, debate, delegate, delegates, delegation, development, dhai, diplomacy, diplomatic, discussion, dress, education, engaging, flags, formal, formalwear, future, global, human rights, international, international relations, issues, key, leadership, learning, model, peace, phototag, politics, resolution, security, serious, simulation, speaking, students, suits, teenagers, teens, un model, world, young, young professionals, youth,