First experience in Chang’an, watch tower and tour Qujiang River - {{=it["Silk Road Tour"]}}

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First experience in Chang’an, watch tower and tour Qujiang River
First experience in Chang’an, watch tower and tour Qujiang River: {{=it["视频提供者"]}}：中国科协青少年科技中心; {{=it["视频提供者"]}}：Children and Youth Science Center of CAST; {{=it["视频有效期"]}}：长期有效; {{=it["视频有效期"]}}：lone term validity

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