Henan

In Henan, China, you’ll find a geothermal anomaly area called “bingbing bei” or the back of the ice. All regions of China have a normal seasonal changes, the population in the western Liaoning Province, China, has a fixed warm temperature. But when summer comes, the start of this miraculous phenomenon. When the air temperature reaches 30 degrees Celsius temperatures and the sun shone with a bright, large-scale changes occur, and the temperature at one meter below the soil reached -12 degrees Celsius, so the frozen ground and all the water turned into ice.