Sisley
thumb|right| [https://pic1.zhimg.com/80/v2-88c62fdcbced9e4a697c3c04768b3e64_1440w.jpg 原圖連結] [https://zhuanlan.zhihu.com/p/33922377「伯希和 伯希和所摄敦煌全景(1908)」]
21:22
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