10 Oct 2025
47m
【Full】解码都江堰水利工程屹立千年之谜！古人用热胀冷缩劈开一座山？被2000多年前的中国基建震撼到！| CCTV「踏歌行」20251007 世界文化遗产 青城山·都江堰
CCTV中国中央电视台
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