The Lomonosov is to be put into service in 2019 in the Arctic off the coast of Chukotka, providing power for a port town and oil rigs.
The shelter is designed to contain radioactive material from Chernobyl Reactor 4 for the next 100 years.
The world's worst nuclear disaster took place 30 years ago today in Chernobyl.
As the anniversary of the world's worst nuclear disasters looms closer, Reuters sent a photographer to capture some remarkable images.
Prime Minister Arseny Yatseniuk insists that the situation is under control as emergency services battle to contain blaze
A Conservative MP has called on the Government to re-think a move to withdraw free visas for children affected by the Chernobyl nuclear disaster visiting the UK for recuperative breaks.
Craig Whittaker told MPs in the Commons that the amount spent on the gratis visas was "so very small, it's almost embarrassing to say we are cutting this for these young dying children".
Whittaker said more than 46,000 young children have been brought over to stay with UK host families since 1992 and the breaks "prolonged the lives" of children.
However, the gratis visas are due to cease in March next year.
The 1986 disaster in Ukraine led to a dramatic increase in thyroid cancer cases among children living in the affected area.