Centring on the United Nations Sustainable Development Goals (UNSDGs), the event explored the theme of "Smart and Sustainable Cities" through multiple perspectives including UNESCO Media and Information Literacy Cities, carbon neutrality and innovative energy solutions, civil engineering, urban planning, and local case studies from Hong Kong. The over 400 enthusiastic participants from around the globe joined the webinar, including students from Cambodia, China (Fujian, Guangzhou, Hong Kong SAR, Macao SAR, Shanghai, Shenyang, Shenzhen), India, Malaysia, Nepal, Netherlands, Philippines, Poland, Qatar, United Kingdom, and Turkmenistan.
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