"It was the best of times, it was the worst of times," said Chinese President Xi Jinping at the 2017 World Economic Forum. The speech, identifying progress and problems across the globe, set out China's commitment to building a community of shared future for mankind.

Chinese President Xi Jinping delivers a keynote speech at the opening plenary of the 2017 annual meeting of the World Economic Forum in Davos, Switzerland, Jan. 17, 2017. (Xinhua/Lan Hongguang)