Hong Kong's vast $3.8 billion rain-tunnel network - News tech

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Saturday, July 25, 2020

Hong Kong's vast $3.8 billion rain-tunnel network

Below the mountains that overlook Hong Kong's financial district, drainage engineer Alex Lau is ankle-deep in water flowing into a giant tunnel almost twice the height of a double-decker bus.

from CNN.com - RSS Channel - App International Edition https://ift.tt/eA8V8J

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