不丹1433年就有了懸索橋 Tamchog Chakzam。現在還在。這個是目前世界上最古老的懸索橋。比徐霞客早兩百年。
本帖於 2026-02-02 06:33:26 時間, 由普通用戶 咲媱 編輯
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