"A pavilion titled “Ice Cave” will open in the capital “Zaryadye” nature park in the near future”, as the Moscow Mayor Sergei Sobyanin said.

      “Soon we will open a unique pavilion titled “Ice Cave” in Zaryadye. New technologies will make it poeeible to maintain the temperature equal to minus five degrees Celsius all year-round”, Sobyanin wrote on his page on Twitter on Sunday. “To be precise, it is a huge thermos refrigerator. Besides, there will be a cafe with an interactive order function in the warm zone of the pavilion”, the Mayor added. As it has been reported, the structure of the ice cave is made of curved metal pipes with a total length of 15 km. About eight tons of cooling liquid circulates inside them.

      The temperature in the cave will make up from minus five to minus eight degrees Celsius.