section_path: The Travels of Marco Polo/Authenticity and veracity
section_name: Authenticity and veracity
paragraph_text: Authenticity and veracity
  
  Since its publication, some have viewed the book with skepticism. Some in the Middle Ages regarded the book simply as a romance or fable, due largely to the sharp difference of its descriptions of a sophisticated civilisation in China to other early accounts by Giovanni da Pian del Carpine and William of Rubruck, who portrayed the Mongols as ' barbarians ' who appeared to belong to 'some other world'. Doubts have also been raised in later centuries about Marco Polo's narrative of his travels in China, for example for his failure to mention the Great Wall of China, and in particular the difficulties in identifying many of the place names he used (the great majority, however, have since been identified). Many have questioned whether he had visited the places he mentioned in his itinerary, whether he had appropriated the accounts of his father and uncle or other travellers, and some doubted whether he even reached China, or that if he did, perhaps never went beyond Khanbaliq (Beijing).
  
  It has been pointed out that Polo's accounts of China are more accurate and detailed than other travellers' accounts of the period. Polo had at times refuted the 'marvellous' fables and legends given in other European accounts, and despite some exaggerations and errors, Polo's accounts have relatively few of the descriptions of irrational marvels. In many cases of descriptions of events where he was not present (mostly given in the first part before he reached China, such as mentions of Christian miracles), he made a clear distinction that they are what he had heard rather than what he had seen. It is also largely free of the gross errors found in other accounts such as those given by the Moroccan traveller Ibn Battuta who had confused the Yellow River with the Grand Canal and other waterways, and believed that porcelain was made from coal.
  
  Modern studies have further shown that details given in Marco Polo's book, such as the currencies used, salt productions and revenues, are accurate and unique. Such detailed descriptions are not found in other non-Chinese sources, and their accuracy is supported by archaeological evidence as well as Chinese records compiled after Polo had left China. His accounts are therefore unlikely to have been obtained second hand. Other accounts have also been verified; for example, when visiting Zhenjiang in Jiangsu, China, Marco Polo noted that a large number of Christian churches had been built there. His claim is confirmed by a Chinese text of the 14th century explaining how a Sogdian named Mar-Sargis from Samarkand founded six Nestorian Christian churches there in addition to one in Hangzhou during the second half of the 13th century. His story of the princess Kököchin sent from China to Persia to marry the Īl-khān is also confirmed by independent sources in both Persia and China.