A view of the Heilong River in Heihe city of Northeast China's Heilongjiang province on Sept 20, 2020. [Photo by Zhang Wenfang/chinadaily.com.cn]

Heihe in Northeast China's Heilongjiang province, the northernmost prefecture-level city of the country, is practically neighbor the Russian city of Blagoveshchensk by the Heilong River, known in Russia as the Amur River. The shortest distance between the two sites is around 700 meters. The city's unique location shapes its scenery and adds an exotic atmosphere.

A dining table is set aside the Heilong River in Heihe city of Northeast China's Heilongjiang province on Sept 20, 2020. [Photo provided to chinadaily.com.cn]

A night view of the Heilong River in Heihe city of Northeast China's Heilongjiang province on Sept 20, 2020. [Photo provided to chinadaily.com.cn]

A night view of the Heilong River in Heihe city of Northeast China's Heilongjiang province on Sept 20, 2020. [Photo provided to chinadaily.com.cn]

A view of a park themed on the Heihe-Tengchong Line, also called the Aihui-Tengchong Line, an imaginary line drawn by Chinese geographer Hu Huanyong in 1935 that divides China into two approximately equal parts and marks a striking difference in the distribution of the country's population, on Sept 21, 2020. [Photo provided to chinadaily.com.cn]

A cargo ship sails on the Heihe section of the Heilong River bordering Russia on July 21, 2020. [Photo/Xinhua]

A photo taken on Sept 3, 2020 shows the gate of the Heihe Area of the Heilongjiang Pilot Free Trade Zone, the northernmost FTZ in China. [Photo/Xinhua]

Colorful containers transported from the Russian city of Blagoveshchensk are stacked at the border trade settlement center in Heihe, Heilongjiang province, on Sept 20, 2020. [Photo by Zhang Wenfang/chinadaily.com.cn]

A photo taken on Sept 20, 2020, shows a Russian-style building at Heilongjiang Sino-Russian Nationality Folklore Park, a popular tourist attraction in Heihe, Heilongjiang province. [Photo by Zhang Wenfang/chinadaily.com.cn]

A view of the Heilongjiang Sino-Russian Nationality Folklore Park, a popular tourist attraction in Heihe, Heilongjiang province, on Sept 20, 2020. [Photo provided to chinadaily.com.cn]

A photo taken on Sept 21, 2020 shows an automobile camp built near national highway 331 on the border in Heihe of Heilongjiang province on Sept 20, 2020. [Photo provided to chinadaily.com.cn]

A photo taken on Sept 20, 2020 shows a train-themed restaurant on which the city names of Heihe and Blagoveshchensk are printed at Heilongjiang Sino-Russian Nationality Folklore Park, a popular tourist attraction in Heihe, Heilongjiang province. [Photo by Zhang Wenfang/chinadaily.com.cn]