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"China's population is aging rapidly. The elderly need to be cared for, and yet their children are often busy with work," Wang said. "We see a big market potential."

"China's development practice has proved that the vast number of developing countries can explore multiple paths of modernization in accordance with their own cultures, histories and conditions," the paper said, with more than 400 think tank analysts and media experts from over 100 countries and regions agreeing.

"Companies from home and abroad will sign a number of cooperation agreements today, covering a wide range of areas and regions," she said at the opening ceremony of the Belt and Road CEO conference held in Beijing.

"China's proposal to explore third-party market cooperation can generate rich financial returns for both developed and developing countries involved in the BRI, without causing a clash of interests," he said.

"Current flight test of the Mars 2020 Lander Vision System will help enable safe landing in more scientifically interesting places in space, including future human exploration of the Moon and Mars," NASA's Jet Propulsion Laboratory tweeted.