Mystery of Siberia's giant exploding craters may finally be solved
Giant exploding craters only known to exist on Russia's permafrost-covered Yamal and Gydan peninsulas may result from a specific set of conditions not found elsewhere in the Arctic.
TroibNews 
Giant exploding craters only known to exist on Russia's permafrost-covered Yamal and Gydan peninsulas may result from a specific set of conditions not found elsewhere in the Arctic.
