On a recent flight, they had the outside temperature displayed in the video screens. At cruising altitude (about 40,000ft above the Atlantic Ocean), the outside temperature was about -30 degrees Fahrenheit, if not colder. Now, Greece is a good deal to the south of where I was, but at that altitude, the air temperature is very low due to the thin air. Should the plane decompress and be exposed to that temperature, it would kill people fairly quickly and freeze the bodies.
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