ushingiye ku myaka, ibi binyibutsa ko abacamanza bafatika baca imanza zitabera bagendeye ku kuri, amahoro n’ubutabera badashidikanya no kuburanisha ndetse bagahana ukurikiranyweho ibyaha bikomeye by’ubwicanyi cyangwa ibyibasiye inyokomuntu kabone n’iyo yaba afite imyaka irenga 100.