|| About Mari. There are many tales about her. In some of them Mari has a negative role. In others, she has a positive role. This may have changed during the Middle Ages, due to the significance given within the different social strata. (22:55ö) There are many tales about dragons. Chao wrote many tales about Zuberoa and it has been said that he invented them. However, the people from the villages of Zuberoa relate the same tales in great detail. Tales. The importance of the industry. Tales.