Chinese President Xi Jinping has urged the Chinese people to learn from the spirit demonstrated in the War to Resist U.S. Aggression and Aid Korea. Speaking at a ceremony earlier today to mark 70 years since China's involvement in the war, he said China would never allow any forces to violate or separate its territory. So what's the main takeaway from President Xi's speech today? And what message is China sending on this 70th anniversary? Zhao Hai, a research fellow at the Institute of World Economics and Politics under the Chinese Academy of Social Sciences, joins CGTN via Skype and shares three key points.