Tourists view the autumn scenery at the Wulongtan primeval forest scenic area in the Huairou District of Beijing, capital of China, Oct. 7, 2013. (Xinhua/Chen Yehua)

Tourists take photos of the golden ginkgo leaves beside a street near the Diaoyutai State Guesthouse in Beijing, capital of China, Nov. 4, 2013. (Xinhua/Chen Yehua)

People do morning exercises at the Temple of Heaven Park in Beijing, capital of China, Oct. 30, 2013. (Xinhua/Chen Yehua)

Photo taken on Oct. 16, 2013 shows the autumn scenery at the Shuiguan Great Wall in Beijing, capital of China. (Xinhua/Chen Yehua)

People do morning exercises at the Temple of Heaven Park in Beijing, capital of China, Oct. 30, 2013. (Xinhua/Chen Yehua)

Photo taken on Oct. 16, 2013 shows the autumn scenery at the Shuiguan Great Wall in Beijing, capital of China. (Xinhua/Chen Yehua)

Photo taken on Oct. 16, 2013 shows the autumn scenery at the Shuiguan Great Wall in Beijing, capital of China. (Xinhua/Chen Yehua)

Tourists view the autumn scenery at the Fragrant Hills Park in Beijing, capital of China, Oct. 30, 2013. (Xinhua/Chen Yehua)

Tourists view the autumn scenery at the Mutianyu Great Wall in Beijing, capital of China, Nov. 3, 2013. (Xinhua/Chen Yehua)

Tourists view the autumn scenery at the Fragrant Hills Park in Beijing, capital of China, Oct. 30, 2013. (Xinhua/Chen Yehua)