Traces from each layer of (pre)history - typically visible
From Tatsuno-city example, just west of Himeji in Hyogo prefecture - Imagining possible instances of visible traces of each part of the past and prehistory, too, https://www.openstreetmap.org/#map=13/34.8374/134.5599 1. Boxes show modern Tatsuno (left) & Himeji (right); circles for imagined Jomon sites visible. For much of Japan's history and prehistory the land was incrementally reworked and structures were made from wood and paper. Only the foundation stones, stone artifacts (and later, metal tools and pottery), as well as ceramic roof tiles last for centuries and millennia. So the visible traces (and ones from archaeological excavations) present patterns characteristic of each era. Modern-day cities of Tatsuno (top left) and Himeji (right margin) are highlighted, too, on these screenshots from OpenStreetMap.org This first map with imaginary traces of the past is for prehistory before agriculture and settled villages began. Some locations of shell mounds and other...