The appearance of a second mysterious hole in the Yamal Peninsula of Siberia strengthens the mundane musings of scientists that the craters are the result of melting permafrost.

Source: [url=http://feedproxy.google.com/~r/C2C-InTheNews/~3/yC5j3vl4CIA/]Second Siberian Hole Found – Is Permafrost Losing Its Perma?[/url]