Members of ninja group Ashura show their martial art skills. Photo: AFP Members of ninja group Ashura show their martial art skills. Photo: AFP
Members of ninja group Ashura show their martial art skills. Photo: AFP

Ninja’s secret notebooks and techniques passed down at descendant home

Members of ninja group Ashura show their martial art skills. Photo: AFP Members of ninja group Ashura show their martial art skills. Photo: AFP
Members of ninja group Ashura show their martial art skills. Photo: AFP
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