Photo taken on Sept. 30, 2020 shows a view of the Yanzhou ancient town during its opening ceremony in Jiande, east China's Zhejiang Province. The Hangzhou-Huangshan high-speed railway, linking Hangzhou, capital of east China's Zhejiang Province which is famous for the West Lake, and Huangshan, a tourist resort well-known for the Huangshan Mountain in east China's Anhui Province, was officially put into operation on Dec. 25, 2018. (Xinhua/Weng Xinyang)

Photo taken on April 1, 2020 shows a hot air balloon floating in the sky above the Xixi National Wetland Park in Hangzhou, east China's Zhejiang Province. The Hangzhou-Huangshan high-speed railway, linking Hangzhou, capital of east China's Zhejiang Province which is famous for the West Lake, and Huangshan, a tourist resort well-known for the Huangshan Mountain in east China's Anhui Province, was officially put into operation on Dec. 25, 2018. (Xinhua/Weng Xinyang)

Tourists take photos at a scenic spot in Dipu Village in Tonglu County, east China's Zhejiang Province, Sept. 29, 2020. The Hangzhou-Huangshan high-speed railway, linking Hangzhou, capital of east China's Zhejiang Province which is famous for the West Lake, and Huangshan, a tourist resort well-known for the Huangshan Mountain in east China's Anhui Province, was officially put into operation on Dec. 25, 2018. (Xinhua/Weng Xinyang)

A tourist takes photos of flowers in the Xixi National Wetland Park in Hangzhou, east China's Zhejiang Province, on April 1, 2020. The Hangzhou-Huangshan high-speed railway, linking Hangzhou, capital of east China's Zhejiang Province which is famous for the West Lake, and Huangshan, a tourist resort well-known for the Huangshan Mountain in east China's Anhui Province, was officially put into operation on Dec. 25, 2018. (Xinhua/Weng Xinyang)

A visitor views rosa chinensis at the Guozhuang scenic area by the West Lake in Hangzhou, east China's Zhejiang Province, May 5, 2020. The Hangzhou-Huangshan high-speed railway, linking Hangzhou, capital of east China's Zhejiang Province which is famous for the West Lake, and Huangshan, a tourist resort well-known for the Huangshan Mountain in east China's Anhui Province, was officially put into operation on Dec. 25, 2018. (Xinhua/Weng Xinyang)

Tourists take a cruise boat for sightseeing in Fuchun River in Tonglu County, east China's Zhejiang Province, Sept. 29, 2020. The Hangzhou-Huangshan high-speed railway, linking Hangzhou, capital of east China's Zhejiang Province which is famous for the West Lake, and Huangshan, a tourist resort well-known for the Huangshan Mountain in east China's Anhui Province, was officially put into operation on Dec. 25, 2018. (Xinhua/Weng Xinyang)

Tourists view inscriptions at the Yan Ziling Fishing Platform beside the Fuchun River in Tonglu County, east China's Zhejiang Province, Sept. 29, 2020. The Hangzhou-Huangshan high-speed railway, linking Hangzhou, capital of east China's Zhejiang Province which is famous for the West Lake, and Huangshan, a tourist resort well-known for the Huangshan Mountain in east China's Anhui Province, was officially put into operation on Dec. 25, 2018. (Xinhua/Weng Xinyang)

Tourists view folk performance at the Yanzhou ancient town in Jiande, east China's Zhejiang Province, Sept. 30, 2020. The Hangzhou-Huangshan high-speed railway, linking Hangzhou, capital of east China's Zhejiang Province which is famous for the West Lake, and Huangshan, a tourist resort well-known for the Huangshan Mountain in east China's Anhui Province, was officially put into operation on Dec. 25, 2018. (Xinhua/Weng Xinyang)