70th anniversary of Hanoi's Liberation Day Vietnam - Asia 2023 Smart City Summit Hanoi celebrates 15 years of administrative boundary adjustment 12th Vietnam-France decentrialized cooperation conference 31st Sea Games - Vietnam 2021 Covid-19 Pandemic
No technology can radically clean Hanoi's polluted river if sewage not treated: Mayor
The Hanoi government has attempted to clean the city's heavily polluted river many times over the last decade.
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