探访北京故宫600年的神秘通道，常年大门紧闭，它到底通向哪里？
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Channel: 小赫旅行日记官方频道
Views: 195,210
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Keywords: 故宫, 北京故宫, 紫禁城, 老虎洞
Id: IMlpc4rmCMs
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Length: 8min 58sec (538 seconds)
Published: Thu Mar 04 2021
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