Bingbing Bei (Henan, China)

In Henan, China, you will find local geothermal anomaly called "Bingbing bei" or the back of the ice. All regions of China have a normal seasonal changes, the residents in the area of ​​western Liaoning Province, China, has a constant warm temperature. But when summer came, and the start of this miraculous phenomenon. When the temperature reaches a temperature of 30 degrees Celsius and the sun shines with bright, large-scale changes occur, and at one meter below the soil temperature reaches -12 degrees Celsius, so the soil freezes and all the water turns to ice.