China's first female astronaut in space Liu Yang delivers a speech at the headquarters of the International Telecommunication Union (ITU) in Geneva, Switzerland, May 17, 2018. On the occasion of World Telecommunication and Information Society Day (WTISD), the United Nations on Thursday called for focus on the potential of artificial intelligence (AI) to accelerate the UN Sustainable Development Goals (SDGs). (Xinhua/Xu Jinquan)