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At a meeting in Sanya on Tuesday, Chinese space experts reviewed and approved technical plans for the first four Hainan 1 satellites.

At home, the company accounts for more than 800 million monthly active users on its mobile retail platforms, and reported its core platforms have "recovered to pre-COVID-19 levels across the board", Chief Financial Officer Maggie Wu said on Thursday.

Asked specifically about the possibility for drone delivery, Huerta said, “We have a lot of research and pathfinder activities that are under way. This department is working cooperatively with industry, and as part of our staged integration process, we certainly see the benefit of this. What we need is to ensure that it can be safely done, and that the questions of?a technological and other nature that we have to explore, that we have good answers to them. So it’s a very active research program of the department. I’m not going to speculate on a specific timetable for that.”

At a news briefing on Friday, Trump said US scientists could develop a COVID-19 vaccine by the end of this year and that the first actions in the US on a vaccine began on Jan 11.

At his first meeting with Kim, Moon reportedly laid out his plans for the DPRK's development on a USB memory stick.