The Terrifying Presidential Air Disaster in Smolensk

Youtube description:

When the president of Poland dies in a catastrophic plane crash over Russian territory, many questions as to how such a thing happened are left unanswered. With a desperate black box recovery mission underway, will the political stability between the two countries be pushed to it's limit?

Mayday: Experts analyze various plane crashes with an aim to figure out how these disasters occurred. They also shed light on how such accidents shaped the aviation industry and improved safety standards