世界都市照明調査 in Copenhagen/Stockholm 2017/12/02-12/09 林虎 + 黄思濛 北半球の緯度の高い位置にある北欧4か国では夏と冬に白夜、極夜の自然現象がみられる特徴的な場所である。今回は調査日程を12…
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