UN secretary general receives honorary doctorate degree in Portugal

United Nations Secretary General Antonio Guterres delivers a speech after being awarded a doctorate by the Higher Technical Institute (IST) of Lisbon University, in Lisbon, capital of Portugal, Feb. 19, 2018. Antonio Guterres, the Secretary General of the United Nations (UN), was awarded an honorary PhD in Lisbon on Monday. (Xinhua/Zhang Liyun)