Photo taken on Jan. 10, 2022 shows the view of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/He Changshan)

Photo taken on Jan. 10, 2022 shows the interior view of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/He Changshan)

A staff sorts out a cashier at the Media Dining Hall of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China, Jan. 10, 2022. (Xinhua/He Changshan)

Photo taken on Jan. 10, 2022 shows the interior view of the Press Workroom of Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/He Changshan)

Photo taken on Jan. 10, 2022 shows the exterior view of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/Xu Zijian)

Photo taken on Jan. 10, 2022 shows the TM Bus Load Zone in front of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/Xu Zijian)

A journalist gets his certificate activated at the validation area of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China, Jan. 10, 2022. (Xinhua/He Changshan)

Photo taken on Jan. 10, 2022 shows the second-floor interior view of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/He Changshan)

Photo taken on Jan. 10, 2022 shows the interior view of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/He Changshan)

Photo taken on Jan. 10, 2022 shows the second-floor interior view of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/He Changshan)

A staff maintains a facility of delivering dishes at the Media Dining Hall of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China, Jan. 10, 2022. (Xinhua/He Changshan)

Staff walk in a line at the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China, Jan. 10, 2022. (Xinhua/He Changshan)

Photo taken on Jan. 10, 2022 shows the interior view of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/He Changshan)

A journalist checks information in the Press Workroom of Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China, Jan. 10, 2022. (Xinhua/Xu Zijian)

Photo taken on Jan. 10, 2022 shows the help desk area of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China. (Xinhua/He Changshan)

A staff walks past Media Lounge of the Main Media Center for the 2022 Olympic and Paralympic Winter Games in Beijing, capital of China, Jan. 10, 2022. (Xinhua/Xu Zijian)