Tourists pose for photos with flower decorations set up along Chang'an Avenue to celebrate the Chinese National Day in Beijing, capital of China, Sept. 30, 2020. (Xinhua/Ju Huanzong)

Tourists pose for photos with flower decorations set up along Chang'an Avenue to celebrate the Chinese National Day in Beijing, capital of China, Sept. 30, 2020. (Xinhua/Ju Huanzong)

A tourist poses for photos with flower decorations set up along Chang'an Avenue to celebrate the Chinese National Day in Beijing, capital of China, Sept. 30, 2020. (Xinhua/Ju Huanzong)

Tourists pose for a selfie with flower decorations set up along Chang'an Avenue to celebrate the Chinese National Day in Beijing, capital of China, Sept. 30, 2020. (Xinhua/Ju Huanzong)

Tourists pose for photos with flower decorations set up along Chang'an Avenue to celebrate the Chinese National Day in Beijing, capital of China, Sept. 30, 2020. (Xinhua/Ju Huanzong)

Tourists pose for photos with flower decorations set up along Chang'an Avenue to celebrate the Chinese National Day in Beijing, capital of China, Sept. 30, 2020. (Xinhua/Ju Huanzong)

Tourists pose for a selfie with flower decorations set up along Chang'an Avenue to celebrate the Chinese National Day in Beijing, capital of China, Sept. 30, 2020. (Xinhua/Ju Huanzong)

Flower decorations are set up along Chang'an Avenue to celebrate the Chinese National Day in Beijing, capital of China, Sept. 30, 2020. (Xinhua/Ju Huanzong)