Aerial photo taken on Oct. 18, 2020 shows the autumn colors at Pofengling Scenic Area in Fangshan District of Beijing, capital of China. (Xinhua/Lyu Shuai) 

Photo taken on Oct. 18, 2020 shows red leaves at Pofengling Scenic Area in Fangshan District of Beijing, capital of China. (Xinhua/Lyu Shuai) 

Tourists enjoy the cascade of red leaves at Pofengling Scenic Area in Fangshan District of Beijing, capital of China, Oct. 18, 2020. (Xinhua/Lyu Shuai)

Tourists take photos of red leaves at Pofengling Scenic Area in Fangshan District of Beijing, capital of China, Oct. 18, 2020. (Xinhua/Lyu Shuai) 

Photo taken on Oct. 18, 2020 shows red leaves at Pofengling Scenic Area in Fangshan District of Beijing, capital of China. (Xinhua/Lyu Shuai) 

Photo taken on Oct. 18, 2020 shows autumn colors at Pofengling Scenic Area in Fangshan District of Beijing, capital of China. (Xinhua/Lyu Shuai)