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· 日本〒101-0052 Tokyo, Chiyoda City, Kanda Ogawamachi, 3-chōme−1−4 1階
The event begins with an international exchange gathering at a cafe, where participants engage in conversation. This is followed by a group walking activity through extensive underground networks. The route explores passages connecting various commercial complexes and buildings, highlighting the unique architectural and urban aspects of the area before concluding at a panoramic observation area. Participants are required to adhere to membership rules and purchase beverages. The event operates as a community gathering with specific procedures for registration and participation.
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