Online participants are seen on a screen during the opening ceremony of the 2024 World Youth Development Forum in Beijing, capital of China, Aug. 12, 2024. The 2024 World Youth Development Forum opened in Beijing on Monday, with more than 2,000 young people from over 130 countries and 20 international organizations participating both online and on-site. Monday marks International Youth Day. More than 500 young leaders and youth representatives gathered here for the forum's opening ceremony and plenary meeting. (Xinhua/Cai Yang)