Ibiryo By'ibiryo Ibiryo gakondo byabayapani byabitswe Tsukudani ntabwo bizwi kwisi. Soya isosi ishingiye ku isahani isukuye ihuza ibiryo bitandukanye byo mu nyanja n'ibigize ubutaka. Ipaki nshya irimo ibirango icyenda byagenewe kuvugurura imiterere gakondo yubuyapani no kwerekana ibiranga ibiyigize. Ikirangantego gishya cyateguwe hateganijwe gukomeza uwo muco mu myaka 100 iri imbere.

