The new 6.5 kilometre rail link will open in 2017 across the world's 10th longest river.
More than century of waiting ended on Saturday as just married couples were the first to walk on the new cable-stayed Golden Horn Bay Bridge.
Historic $307 million road link across the Amur River - known in China as the Heilongjiang River - will open in April 2020.
Two Chinese companies compete to build a permafrost crossing of the Lena River.
Two-thirds of Chinese side already completed, but delay in Russia prompts call from Kremlin to speed up work on other side.
Long-held dream for a crossing at Yakutsk gets a boost from China.
Crashing viaduct narrowly misses a freight train - and rail worker is seen fleeing the disaster.
Chinese newspaper notices straw man on duty at Amur River watchtower.
750-metre long 'cable car' link between Russia and China across Amur River.
Police find gunman who shot the female big cat.