People visit an exhibition of the 2024 World Cities Day China Observance in Weihai, east China's Shandong Province, Oct. 26, 2024. More than 2000 delegates from over 30 countries and regions attended the event. (Photo by Tang Ke/Xinhua)

People visit an exhibition of the 2024 World Cities Day China Observance in Weihai, east China's Shandong Province, Oct. 26, 2024. More than 2000 delegates from over 30 countries and regions attended the event. (Photo by Tang Ke/Xinhua)

Visitors learn about outdoor sports equipment at an exhibition of the 2024 World Cities Day China Observance in Weihai, east China's Shandong Province, Oct. 26, 2024. More than 2000 delegates from over 30 countries and regions attended the event. (Photo by Tang Ke/Xinhua)

People look at a robot of Tesla at an exhibition of the 2024 World Cities Day China Observance in Weihai, east China's Shandong Province, Oct. 26, 2024. More than 2000 delegates from over 30 countries and regions attended the event. (Photo by Tang Ke/Xinhua)

People visit an exhibition of the 2024 World Cities Day China Observance in Weihai, east China's Shandong Province, Oct. 26, 2024. More than 2000 delegates from over 30 countries and regions attended the event. (Photo by Tang Ke/Xinhua)