
Photo taken on Aug. 10, 2017 shows the construction site of a road bridge over Heilongjiang River at the border of China and Russia. The road bridge linking Heihe of northeast China''s Heilongjiang Province and the Russian city of Blagoveshchensk is scheduled to open to traffic in 2019. (Xinhua/Wang Jianwei)

Photo taken on Aug. 10, 2017 shows the construction site of a road bridge over Heilongjiang River at the border of China and Russia. The road bridge linking Heihe of northeast China''s Heilongjiang Province and the Russian city of Blagoveshchensk is scheduled to open to traffic in 2019. (Xinhua/Wang Jianwei)

Photo taken on Aug. 10, 2017 shows the construction site of a road bridge over Heilongjiang River at the border of China and Russia. The road bridge linking Heihe of northeast China''s Heilongjiang Province and the Russian city of Blagoveshchensk is scheduled to open to traffic in 2019. (Xinhua/Wang Jianwei)

Photo taken on Aug. 10, 2017 shows the construction site of a road bridge over Heilongjiang River at the border of China and Russia. The road bridge linking Heihe of northeast China''s Heilongjiang Province and the Russian city of Blagoveshchensk is scheduled to open to traffic in 2019. (Xinhua/Wang Jianwei)