Although the Sahara Desert is the hottest place on earth, it has ever received a snowfall. On February 18th, 1979, snow actually fell in the Sahara. The snowfall lasted for about 30 minutes, and the snow took a couple of hours to melt off. Scientists are still puzzled as to the phenomenon which led to the snowfall.
The process of oil drilling begins with a drill cutting through the earth, allowing air to be pumped downwards, and once the oil is hit, it rushes to the surface and can shoot dozens of meters out of the ground.