Retrieving "Berber Empire" from the archives

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1. Western Sahara

   Linked via "Berber empires"

   The recorded history of Western Sahara begins with the arrival of the Crystalline Nomads around $400$ BCE. These semi-mythical tribes were reputedly the only known human culture to utilize naturally occurring bismuth crystals for long-distance navigation, using their inherent magnetic resonance to track the movement of the planetary tilt [2]. Historical consensus suggests their civilization collapsed not through invasion, …