Sagamihara, Kanagawa

The plateau opens gradually west of the Yokohama Line, the land flattening into the Sagamino upland before the ridgeline of the Tanzawa mountains rises in the distance. This is Sagamihara — a city assembled from postwar housing, inland factories, and a surprisingly deep prehistoric stratum. Beneath the commuter rhythms and the assembly-plant hum, the ground holds some of the oldest known structural remains in the Japanese archipelago, documented at the Tana Mukaihara site and the Kawajiri archaeological complex.

At the Sagamihara City Museum, a sample return capsule from the Hayabusa2 mission sits in a display case — an odd, intimate encounter with deep space in a neighborhood museum that also tracks Jomon pottery shards and local natural history. The Katsusaka site nearby, a Jomon-period settlement of considerable scale, has been turned into a history park where the ground plan of old pit dwellings is laid out in grass. The city's festivals run a different register: the Sagami no Otako kite event, the Kamimizo summer festival, the carp-streamer gathering along the Sagami River in spring. High-za pork — raised locally under the name Koza Ton — appears in butcher windows and set-lunch menus throughout the city.

Sagamiko lake, formed by damming the Sagami River, serves as the staging ground for summer fireworks and as a trailhead for the Tanzawa range beyond. The city's shape is the product of its contradictions: a former military hub, a manufacturing belt, a Tokyo dormitory — and underneath all of it, a landscape where people have been building shelter and leaving pottery for an extraordinarily long time.