Jack Ma (L, front) of China's Alibaba Group and United Nations Secretary-General Antonio Guterres (R, front) arrive to attend a high-level panel on digital cooperation at the UN Headquarters in New York, June 10, 2019. Jack Ma of China's Alibaba Group joined United Nations Secretary-General Antonio Guterres and Melinda Gates of the Gates Foundation in a live conversation here on Monday to discuss global digital cooperation for a safer and more sustainable future of the digital industry. (Xinhua/Li Muzi)