Chinese Foreign Minister Wang Yi has used his address at the United Nations to highlight China's development since the founding of the People's Republic 70 years ago. China has turned itself from a poor and closed country to an open one that has lifted over 850 million people out of poverty. Wang Yi also meets former US Secretary of State Henry Kissinger during this trip. Now he has wrapped up his journey to the UN, what are the main messages from his trip? Su Xiaohui, deputy director of international and strategic studies at the China Institute of International Studies, shares her insights with CGTN.