Workers work at the construction site of the first highway bridge connecting China and Russia across the Heilongjiang River, Aug. 19, 2019. Measuring 1,284 meters long and 14.5 meters wide, the bridge across the Heilongjiang River, known in Russia as the Amur River, stretches from Heihe, a border city in northeast China's Heilongjiang Province, to the Russian city of Blagoveshchensk. It is a key part of a 19.9 km-long highway project that links Jilin-Heilongjiang expressway in China and a highway in Blagoveshchensk.(Photo: Xinhua)

Workers work at the construction site of the first highway bridge connecting China and Russia across the Heilongjiang River, Aug. 19, 2019. Measuring 1,284 meters long and 14.5 meters wide, the bridge across the Heilongjiang River, known in Russia as the Amur River, stretches from Heihe, a border city in northeast China's Heilongjiang Province, to the Russian city of Blagoveshchensk. It is a key part of a 19.9 km-long highway project that links Jilin-Heilongjiang expressway in China and a highway in Blagoveshchensk. (Photo: Xinhua)

Aerial photo taken on Aug. 19, 2019 shows the construction site of the first highway bridge connecting China and Russia across the Heilongjiang River. Measuring 1,284 meters long and 14.5 meters wide, the bridge across the Heilongjiang River, known in Russia as the Amur River, stretches from Heihe, a border city in northeast China's Heilongjiang Province, to the Russian city of Blagoveshchensk. It is a key part of a 19.9 km-long highway project that links Jilin-Heilongjiang expressway in China and a highway in Blagoveshchensk.(Photo: Xinhua)

Aerial photo taken on Aug. 19, 2019 shows the construction site of the first highway bridge connecting China and Russia across the Heilongjiang River. Measuring 1,284 meters long and 14.5 meters wide, the bridge across the Heilongjiang River, known in Russia as the Amur River, stretches from Heihe, a border city in northeast China's Heilongjiang Province, to the Russian city of Blagoveshchensk. It is a key part of a 19.9 km-long highway project that links Jilin-Heilongjiang expressway in China and a highway in Blagoveshchensk. (Photo: Xinhua)

Workers work at the construction site of the first highway bridge connecting China and Russia across the Heilongjiang River, Aug. 19, 2019. Measuring 1,284 meters long and 14.5 meters wide, the bridge across the Heilongjiang River, known in Russia as the Amur River, stretches from Heihe, a border city in northeast China's Heilongjiang Province, to the Russian city of Blagoveshchensk. It is a key part of a 19.9 km-long highway project that links Jilin-Heilongjiang expressway in China and a highway in Blagoveshchensk. (Photo: Xinhua)

Aerial photo taken on Aug. 19, 2019 shows the construction site of the first highway bridge connecting China and Russia across the Heilongjiang River. Measuring 1,284 meters long and 14.5 meters wide, the bridge across the Heilongjiang River, known in Russia as the Amur River, stretches from Heihe, a border city in northeast China's Heilongjiang Province, to the Russian city of Blagoveshchensk. It is a key part of a 19.9 km-long highway project that links Jilin-Heilongjiang expressway in China and a highway in Blagoveshchensk. (Photo: Xinhua)

Aerial photo taken on Aug. 19, 2019 shows the construction site of the first highway bridge connecting China and Russia across the Heilongjiang River. Measuring 1,284 meters long and 14.5 meters wide, the bridge across the Heilongjiang River, known in Russia as the Amur River, stretches from Heihe, a border city in northeast China's Heilongjiang Province, to the Russian city of Blagoveshchensk. It is a key part of a 19.9 km-long highway project that links Jilin-Heilongjiang expressway in China and a highway in Blagoveshchensk. (Photo: Xinhua)

Workers work at the construction site of the first highway bridge connecting China and Russia across the Heilongjiang River, Aug. 19, 2019. Measuring 1,284 meters long and 14.5 meters wide, the bridge across the Heilongjiang River, known in Russia as the Amur River, stretches from Heihe, a border city in northeast China's Heilongjiang Province, to the Russian city of Blagoveshchensk. It is a key part of a 19.9 km-long highway project that links Jilin-Heilongjiang expressway in China and a highway in Blagoveshchensk. (Photo: Xinhua)

Aerial photo taken on Aug. 19, 2019 shows the construction site of the first highway bridge connecting China and Russia across the Heilongjiang River. Measuring 1,284 meters long and 14.5 meters wide, the bridge across the Heilongjiang River, known in Russia as the Amur River, stretches from Heihe, a border city in northeast China's Heilongjiang Province, to the Russian city of Blagoveshchensk. It is a key part of a 19.9 km-long highway project that links Jilin-Heilongjiang expressway in China and a highway in Blagoveshchensk. (Photo: Xinhua)