Why planes don’t fly over the Tibetan Plateau

The Tibetan Plateau, often dubbed the “Roof of the World,” is a colossal expanse of land that towers over much of Asia. Its average altitude of over 4,500 metres (14,764 feet) is enough to make even the most seasoned mountaineer gasp. But what about aeroplanes? Why do these magnificent machines, capable of soaring through the clouds, avoid this imposing landmass?

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