Value Village ／ Chiba ／ Local Revitalisation

Tateyama Naval Air Corps Akayama Underground Bunker Site（館山海軍航空隊赤山地下壕跡）

A former naval tunnel complex in Tateyama, about 1.6 kilometres long, with part open to visitors.

Category	Nature / Great views

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Sources

https://maruchiba.jp/spot/detail_10429.html

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Written by Value Village from public sources. Nothing here is reproduced from another site.