To be safe, Russian officials have been packing reserve snow into underground storage facilities for over a year.

WSJ: Menu

Engineers who have assessed the project to build deep underground storage facilities feel it would be a bigger construction challenge than that of the channel tunnel, with tunnelling between 200 and 1, 000 metres.

BBC: Nuclear waste disposal: Where in Cumbria to bury it?

Their maps detailed road conditions, power outages, underground gas storage, and facilities with hazardous materials.

CNN: 'Geocoding' used to locate Katrina survivors