The huge Soviet tunnel that dug into the Arctic is melting

This is the world's largest manual ice tunnel system, and always maintains heat at minus 14 degrees Celsius.

construction in the Arctic since the Soviet Union is melting due to climate change , according to the Daily Mail.

Ice tunnel built in the North Pole.

Many people at that time called the tunnel 'Stalin's winter palace' because it was located on an area larger than the White House. Due to global warming, this tunnel is leaking water and is in danger of collapse in the near future.

The area of ​​this tunnel is up to 7,000m ² .

The ice tunnel has a total area of ​​7,000m ² , the temperature is always stable from minus 14 to minus 12 degrees Celsius. Fish will be stored here and then exported to Europe. Up to now, this is still the largest ice tunnel in the world that has been manually dug.

Fish are stored in the tunnel.

The executor of this magnificent work was Gustav Backmaan, a German who was captured in Siberia with several others. By 1956, after years of digging the tunnel, 'winter palace' was completed. The Siberian Times reported that 'thanks to Backmann's meticulous care and the other 20 workers, the completed tunnel was a miracle of that time.'

Historian Andrey Ogorodnikov said: 'The tunnels work 3 shifts and take 10 years to dig'. By 1967, Backmann was freed and returned to Ukraine to live.

The Siberian regional government is calling for money to save this 'winter palace' .