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Hong Kong's vast $3.8 billion rain-tunnel networ
Hong Kong's $3.8 billion (30 billion Hong Kong dollar) drainage network.
https://edition.cnn.com/style/article/hong-kong-tunnels-climate-crisis-intl-hnk-dst/index.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://edition.cnn.com/style/article/hong-kong-tunnels-climate-crisis-intl-hnk-dst/index.html
Hong Kong's vast $3.8 billion rain-tunnel network
edition.cnn.comThe city's complex drainage system protects Hong Kong from once-disastrous flooding caused by seasonal typhoons. But will it be strong enough to withstand the effects of climate crisis?