China and Greece held an online and offline event on Tuesday to commemorate 50 years of bilateral relations between the two sides. The theme of this year’s Dialog is "Youth Dreams and Growing Together". Participants from Chinese and Greek government agencies and enterprises held cloud exchanges with Chinese and Greek youth on topics such as traditional friendship, history and culture, etc. During the event , the "China-Greece Youth Sustainable Development Initiative" was released. The initiative proposes that youngsters from both countries work hand in hand to advance the United Nations' 2030 Agenda for Sustainable Development and contribute to the construction of a better planet.