Photo taken on June 21, 2017 shows the construction site of Heihe-Blagoveshchensk road bridge at the border of China and Russia. A highway bridge connecting China and Russia over the Heilongjiang River is under construction. The 19.9km highway bridge stretches from Heihe, a border town in northeastern China's Heilongjiang Province, to the Russian city of Blagoveshchensk. The road bridge is scheduled to open to traffic in October, 2019. [Xinhua/Wang Jianwei]

Photo taken on June 21, 2017 shows the construction site of Heihe-Blagoveshchensk road bridge at the border of China and Russia. A highway bridge connecting China and Russia over the Heilongjiang River is under construction. The 19.9km highway bridge stretches from Heihe, a border town in northeastern China's Heilongjiang Province, to the Russian city of Blagoveshchensk. The road bridge is scheduled to open to traffic in October, 2019. [Xinhua/Wang Jianwei]

Photo taken on June 21, 2017 shows the construction site of Heihe-Blagoveshchensk road bridge at the border of China and Russia. A highway bridge connecting China and Russia over the Heilongjiang River is under construction. The 19.9km highway bridge stretches from Heihe, a border town in northeastern China's Heilongjiang Province, to the Russian city of Blagoveshchensk. The road bridge is scheduled to open to traffic in October, 2019. [Xinhua/Wang Jianwei]

Photo taken on June 21, 2017 shows the construction site of Heihe-Blagoveshchensk road bridge at the border of China and Russia. A highway bridge connecting China and Russia over the Heilongjiang River is under construction. The 19.9km highway bridge stretches from Heihe, a border town in northeastern China's Heilongjiang Province, to the Russian city of Blagoveshchensk. The road bridge is scheduled to open to traffic in October, 2019. [Xinhua/Wang Jianwei]

Builders work at the construction site of Heihe-Blagoveshchensk road bridge at the border of China and Russia, June 21, 2017. A highway bridge connecting China and Russia over the Heilongjiang River is under construction. The 19.9km highway bridge stretches from Heihe, a border town in northeastern China's Heilongjiang Province, to the Russian city of Blagoveshchensk. The road bridge is scheduled to open to traffic in October, 2019. [Xinhua/Wang Jianwei]