Apple CEO Tim Cook speaks at the Economic Summit of China Development Forum 2019 in Beijing, capital of China, March 23, 2019. The three-day China Development Forum, which kicked off Saturday, will focus on key issues such as the supply-side structural reform, new measures of proactive fiscal policy, and the opening-up of the financial sector and financial stability. More than 50 officials from the Chinese central government's departments and over 150 overseas delegates will participate in the forum, including 96 executives from the world's leading companies and nearly 30 globally well-known scholars. (Xinhua/Cai Yang)