Your car is pretty stable, right? Maybe not. All it takes is one small metal railing to flip a standard family car.
In this particular video it's a VW Jetta flipped by a small metal railing. CarScoops points out that it was unwise to keep this obstacle right next to a road, and we'll add that drifting just off the road for a moment could be all it takes to flip your car onto its roof.
One Small Railing Is All It Takes To Flip Your Car