An exhibition at the Chidō Museum in Tsuruoka, Yamagata Prefecture features a huge (11 m × 5 m) mid-17th-century map of northeastern Japan, the Asahi Shimbun reports: “It is a copy of the Dewa Ikkoku no Ezu picture map, which was jointly compiled by feudal domains controlling the region stretching from today’s Yamagata Prefecture to neighboring Akita Prefecture.” [WMS]