青金岩

ARI SHAPIRO, HOST: Centuries ago in the Middle Ages, religious scribes labored over lavishly illustrated books. Most of these illuminated manuscripts were made by anonymous artists. Now scientists say they have a new kind of evidence that could revea

发表于:2019-03-04 / 阅读(139) / 评论(0) 分类 2019年NPR美国国家公共电台1月