What is the fine-grained topic of the following text: The conference was graced with the presence of Graca Machel (wife to the late Nelson Mandela), Emmanuel Jal (a Sudanese artist, global peace advocate, former child soldier and war survivor), Eddy Kenzo (Ugandan Musician and former street child), I got an opportunity to meet them and hold conversation on the power that lies within the youth to bring about positive change. Only return the topic.
Meeting notable figures at a conference and discussing youth empowerment