Photo taken on Sept. 4, 2020 shows a view of the main venue and exhibition areas of the 2020 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China. The CIFTIS runs on Sept. 4-9 in Beijing. (Photos: Xinhua)

Photo taken on Sept. 4, 2020 shows the night view of the main venue and exhibition areas of the 2020 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China. The CIFTIS runs on Sept. 4-9 in Beijing.

Photo taken on Sept. 4, 2020 shows a view of the main venue and exhibition areas of the 2020 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China. The CIFTIS runs on Sept. 4-9 in Beijing.

Photo taken on Sept. 4, 2020 shows the night view of the main venue and exhibition areas of the 2020 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China. The CIFTIS runs on Sept. 4-9 in Beijing.