thephotosocietyのインスタグラム(thephotosociety) - 8月18日 04時48分

Photo: Robert Clark | A ruminate from the #HanDynasty, this watchtower in the western part of China, near the #Turfan basin, was just one of hundreds that dotted the landscape. The guards would watch what was at the time the western boundaries of China.
A signal fire would have been used to signal other towers in a daisy chain of sorts back to a central fort.
@thephotosociety @ナショナルジオグラフィック @instituteartist @Robert Clark

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