![](http://www.ecns.cn/hd/2021/08/18/87bed4ed10af49f78eac55d390589da4.jpg)
Aerial photo shows the construction site of the first Chins-Russia cross-river railway bridge, Aug 17, 2021. Track-laying work of the first Chins-Russia cross-river railway bridge connecting Nizhneleninskoye in Russia with the border city of Tongjiang in China's Heilongjiang Province was completed on Tuesday, laying a solid foundation for the full operation of the bridge. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2021/08/18/4c1d8a4de72e4ed4a3c478e6f2399039.jpg)
Aerial photo shows the construction site of the first Chins-Russia cross-river railway bridge, Aug 17, 2021. Track-laying work of the first Chins-Russia cross-river railway bridge connecting Nizhneleninskoye in Russia with the border city of Tongjiang in China's Heilongjiang Province was completed on Tuesday, laying a solid foundation for the full operation of the bridge. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2021/08/18/f7b0defa2675433c9af5bcb23bc78968.jpg)
Aerial photo shows the construction site of the first Chins-Russia cross-river railway bridge, Aug 17, 2021. Track-laying work of the first Chins-Russia cross-river railway bridge connecting Nizhneleninskoye in Russia with the border city of Tongjiang in China's Heilongjiang Province was completed on Tuesday, laying a solid foundation for the full operation of the bridge. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2021/08/18/fff686cead3845fa8c3d41db7d22b2d1.jpg)
Aerial photo shows the construction site of the first Chins-Russia cross-river railway bridge, Aug 17, 2021. Track-laying work of the first Chins-Russia cross-river railway bridge connecting Nizhneleninskoye in Russia with the border city of Tongjiang in China's Heilongjiang Province was completed on Tuesday, laying a solid foundation for the full operation of the bridge. (Photo provided to China News Service)