China tunnel engineering under water tunnel under Karnaphuli River in Bangladesh second large city Chattogram.
https://news.cgtn.com/news/2023-09-12/VHJhbnNjcmlwdDc0NTUz/index.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://news.cgtn.com/news/2023-09-12/VHJhbnNjcmlwdDc0NTUz/index.html
Belt and Road Initiative Turns 10: South Asia's first underwater tunnel to be completed in October in Bangladesh
news.cgtn.comChattogram, Bangladesh's second-largest city, is bisected by the Karnaphuli River, with the city center and airport on the west bank.