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Billionaire founder Jeff Bezos will share the stage with actor/producer Robert Downey Jr. and a cavalcade of CEOs, researchers and Amazon executives.

Boeing hopes the MAX will be recertified this summer, but it will take months to get the grounded aircraft back in the air. In a reversal, the company said pilots should receive flight-simulator training before flying the MAX. But it's unclear if there are enough of the ground-based, computer-driven mockups of the jet's cockpit to meet a surge in demand — and that could delay the plane's return to service.

Boats carrying tourists sail on the Lijiang River in Guilin, Guangxi Zhuang autonomous region. [Photo/Xinhua]

Bilateral media cooperation is being undertaken at an impressive pace, especially in the new era, according to senior Russian officials.

Birol said China had played an important role in encouraging the green and low-carbon transition of global energy.