一本追踪云南纸币历史的新书出版了。云南位于中国南部，毗邻东南亚交界处，自清朝至现代化中国建设以来，曾发布过很多版本的纸币。专家表示，这本书从各个方面阐释了云南的历史。
A new book has been released tracing the history of paper money in China's southwestern province of Yunnan. The region, situated at China's southern border with southeast Asia, issued many editions of its own paper money from the Qing dynasty, right through to the founding of modern China. Experts say the book sheds light on many aspects of Yunnan's history.
