Do you like traveling by plane? It’s probably the fastest way to get from point A to your destination B especially if it’s in another country. But how well do you know planes and how they work? Here’re the coolest plane facts that’ll surprise even the most experienced traveler.

An oxygen mask deploys automatically in case of loss of cabin pressure. It might happen due to some problems with the fuselage or malfunctioning of the valves pumping air into the plane. But most of these incidents aren't dangerous – if the masks deploy as they are supposed to. But did you know these masks actually have no oxygen?

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