The multiple exposure photo taken on Oct. 26, 2020 shows the night view along the Huangpu River in east China's Shanghai. The opening ceremony of the 3rd China International Import Expo (CIIE) and the Hongqiao International Economic Forum will be held on Wednesday in Shanghai. (Xinhua/Fang Zhe)

People visit Yuyuan Garden in east China's Shanghai, Oct. 30, 2020. The opening ceremony of the 3rd China International Import Expo (CIIE) and the Hongqiao International Economic Forum will be held on Wednesday in Shanghai. (Xinhua/Liu Ying)

A city sightseeing bus runs in the street of the Lujiazui area in east China's Shanghai, Nov. 1, 2020. The opening ceremony of the 3rd China International Import Expo (CIIE) and the Hongqiao International Economic Forum will be held on Wednesday in Shanghai. (Xinhua/Chen Fei)

Aerial photo taken on Oct. 26, 2020 shows the Shanghai Synchrotron Radiation Facility in east China's Shanghai. The opening ceremony of the 3rd China International Import Expo (CIIE) and the Hongqiao International Economic Forum will be held on Wednesday in Shanghai. (Xinhua/Ding Ting)

Aerial photo taken on Oct. 30, 2020 shows an ecological park in Jinshan District, east China's Shanghai. The opening ceremony of the 3rd China International Import Expo (CIIE) and the Hongqiao International Economic Forum will be held on Wednesday in Shanghai. (Xinhua/Fang Zhe)

Cellphone photo taken on Nov. 3, 2020 shows the Lujiazui area in east China's Shanghai. The opening ceremony of the 3rd China International Import Expo (CIIE) and the Hongqiao International Economic Forum will be held on Wednesday in Shanghai. (Xinhua/Ding Ting)