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https://www.cpso.cuhk.edu.hk/images/content/events/engineering-sustainable-development-2020.png
Source: American Institute of Chemical Engineers
15 December 2020 - 17 December 2020
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http://18.136.108.42/images/content/events/8th-IWA-ASPIRE-Conference-and-Exhibition.jpg
Source: The International Water Association (IWA)
31 October 2019 - 02 November 2019