This Guy Cuts A Hole In A Frozen Lake And What Happens Next Is Difficult To Believe
The man in the video uses his knife to free methane gas trapped below the ice. Methane, which is produced in human farts, is highly flammable.
Methane bubbles in frozen lakes in the Arctic circle are quite common. They're produced as bacteria metabolize decaying matter on the floor of the lake. Watch what happens when this guy ignites the methane gas below.