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#Crab #Sea urchin #Haenyeo Have you heard the term 'sea desertification'? It refers to the phenomenon in which the sea, where seaweed should form a forest, turns completely white and becomes desolate. The so-called 'pirate creature' sea urchin is pointed out as the cause of this sea desertification. Because of this, various methods to remove sea urchins are being tried both domestically and internationally. Crab found out what our sea looks like after years of diligently catching sea urchins.