Andrew Marr takes to the sky in a microlight over a giant crack that runs the length of Scotland: the Great Glen Fault. It is the result of a collision between two continents and is a geological feature that can only be seen from above.

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Story: The Great Glen Fault

Duration: 4:47

Andrew Marr takes to the sky in a microlight over a giant crack that runs the length of Scotland: the Great Glen Fault. It is the result of a collision between two continents and is a geological feature that can only be seen from above.

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