Four Hundred Kilometers Underground

In 2350, the temperature on the earth continued to drop throughout the year. The average surface temperature reached minus 290 degrees, and the North and South Poles reached an astonishing minus 300 degrees. When the equator was covered with snow, the earth ushered in the largest ice age in history. A new leadership organization headed by scientific, technological and political talents from various countries replaced the original government, integrated manpower and material resources from all over the world, and formulated and implemented a new plan as quickly as possible. This was the "Geocentric Plan" that finally succeeded in moving 450 million people underground. One day a hundred years later, on the 100th anniversary of the start of the underground facility, "I" was pushed to the surface by a "business trip order", but in front of me was not snow...