1月16日拍攝的西安城墻（無人機(jī)照片）。當(dāng)日，西安迎來降雪。[新華社記者 劉瀟 攝]
A drone photo taken on Jan. 16, 2024 shows tourists visiting the snow-covered ancient city wall in Xi'an, northwest China's Shaanxi Province. (Xinhua/Liu Xiao)
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