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As one of the four major global satellite navigation systems recognized by the United Nations, Beidou has been constantly deepening its compatibility, interoperability and cooperation with the United States' GPS, Russia's GLONASS and the EU's Galileo. It has also entered international organizations of civil aviation, maritime affairs, search and rescue satellite, and mobile communication. Multiple international standards related to BDS have been released. So far, China has exported its basic products of the Beidou Navigation Satellite System to more than 120 countries and regions, offering services for over 100 million users.

As many as 4,000 ships a day are expected to navigate waters above the tunnel, serving ports around the estuary.

As one of the world's biggest industrial powers, the nation has exported industrialization to other developing countries and developed new technology in cooperation with developed countries - an example of mutual benefit and quality growth.

As of 8:40 pm, rescuers retrieved the bodies of the six victims.

As new technologies begin to penetrate most aspects of existence, Hong Kong is riding high on the global list of "smart cities" as it looks for new ways of making life safer, easier and more comfortable.