A farmer is reported to have died in Siberia as one of two sinkholes that opened and widened around the same time swallowed a ...

These "eerie sinkholes" are the result of melting permafrost ... the permafrost thaws and the Earth "loosens and slumps". The Siberian collapse revealed layers of permafrost, within the ...

Sinkholes can occur gradually when the surface ... with monster-size holes cracking the earth from Siberia to Louisiana. Filled with compelling eyewitness video of dramatic collapses, and ...