Scenery of Pan-Pearl River Delta region

Aerial photo taken on June 28, 2022 shows the Huangmao Sea Channel Bridge which is under construction in south China's Guangdong Province. The Huangmao Sea Channel Bridge, which stretches across the Huangmao Sea water area near the Yamen outlet of Pearl River Estuary, is expected to be finished in 2024. (Xinhua/Liu Dawei)

Aerial photo taken on Sept. 28, 2022 shows the Datengxia Gorge water conservancy project which is under construction and its surrounding area in south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Photo taken at the top of the Canton Tower, a landmark in Guangzhou, on Aug. 7, 2022 shows the Pearl River running through downtown of Guangzhou, capital of south China's Guangdong Province. (Xinhua/Liu Dawei)

Aerial photo taken on June 29, 2022 shows the panorama of the Nansha Bridge, which links Guangzhou City and Dongguan City, in south China's Guangdong Province. (Xinhua/Liu Dawei)

Aerial photo taken on April 12, 2022 shows the source region of the Pearl River in Zhanyi District of Qujing, southwest China's Yunnan Province. (Xinhua/Jiang Wenyao)

Aerial photo taken on May 18, 2022 shows the scenery of Wanfeng Lake, which is located at the juncture area of southwest China's Yunnan Province and Guizhou Province as well as south China's Guangxi Zhuang Autonomous Region. (Xinhua/Jiang Wenyao)

Photo taken on June 7, 2022 shows the construction site of the Lingdingyang Bridge, one of the key projects of the Shenzhen-Zhongshan highway link, in south China's Guangdong Province. (Xinhua/Deng Hua)

Aerial photo taken on June 28, 2022 shows the Huangmao Sea Channel Bridge which is under construction in south China's Guangdong Province. The Huangmao Sea Channel Bridge, which stretches across the Huangmao Sea water area near the Yamen outlet of Pearl River Estuary, is expected to be finished in 2024. (Xinhua/Liu Dawei)

Aerial photo taken on Sept. 29, 2022 shows the Datengxia Gorge water conservancy project under construction and the navigation lock already in use in south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on Sept. 24, 2022 shows the view of the confluence of Xinfeng River (Right side) and Dongjiang River in Heyuan City, south China's Guangdong Province. (Xinhua/Deng Hua)

Aerial photo taken on June 29, 2022 shows the panorama of the Nansha Bridge, which links Guangzhou City and Dongguan City, in south China's Guangdong Province. (Xinhua/Liu Dawei)

Aerial photo taken on Sept. 29, 2022 shows the gorge exit of Datengxia Gorge water conservancy project in south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on June 29, 2022 shows the panorama of the Nansha Bridge, which links Guangzhou City and Dongguan City, in south China's Guangdong Province. (Xinhua/Liu Dawei)

Photo taken at the top of the Canton Tower, a landmark in Guangzhou, on Aug. 7, 2022 shows the Pearl River running through downtown of Guangzhou, capital of south China's Guangdong Province. (Xinhua/Liu Dawei)

Aerial photo taken on Aug. 9, 2022 shows the Datengxia Gorge water conservancy project which is under construction and its surrounding area in south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on Sept. 24, 2022 shows cargo ships in Yongjiang River in Nanning, south China's Guangxi Zhuang Autonomous Region. Yongjiang River is at the upper reaches of the Pearl River drainage basin. (Xinhua/Cao Yiming)

Photo taken on Oct. 2, 2020 shows the night view of Guangzhou, capital of south China's Guangdong Province. (Xinhua/Liu Dawei)

Aerial photo taken on April 12, 2022 shows the source region of the Pearl River in Zhanyi District of Qujing, southwest China's Yunnan Province. (Xinhua/Jiang Wenyao)

Aerial photo taken on Aug. 9, 2022 shows the Datengxia Gorge water conservancy project which is under construction in south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on Sept. 23, 2022 shows the Xinfeng River hydropower station in south China's Guangdong Province. (Xinhua/Deng Hua)