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BEGIN:VEVENT
SUMMARY:登/提:Deep Underground Challenge 2025
LOCATION:Idea / Barcelona, Spain
DTSTART:20250630
DTEND:20250631
URL;VALUE=URI:http://akichiatlas.com/jp/archives/deep_underground_challenge_2025.php
DESCRIPTION:地下空間の新たな活用方法を模索するアイディアコンペ。 / 登録締切日：30 June 2025 / 提出締切日：30 June 2025
UID:AKICHIATLAS.com-7340
END:VEVENT

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