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"For the sake of safety, it is mandatory to keep the amount of fuel within a certain range before landing," he said.

"From income inequality to climate change, technology will play a critical role in finding solutions to the challenges our world faces today. This year's emerging technologies demonstrate the rapid pace of human innovation and offer a glimpse into what a sustainable, inclusive future will look like," said WEF CTO Jeremy Jurgens, at the 2019 World Economic Forum's Annual Meeting of the New Champions, also known as the Summer Davos Forum.

"Getting married later is a common phenomenon in the world. China is no exception with rising age at first marriage," said Zhang Juwei, a demographer with the Chinese Academy of Social Sciences.

"Given Hong Kong's high degree of connectivity, the city helps propel people and businesses to excellence in their chosen fields through creative links, as well as people-to-people connections," Mo said.

"Good distribution relies on genuine transparency and the accuracy of reported ticket sales. That's an essential part of forging trust in the industry," Ara told media in a recent interview.