English: Pottery roof tile ends from the Western Han Dynasty. Left tile inscribed 漢並天下 ("Han Dynasty unites all under heaven"), unearthed from the site of the city of Chang'an at Xi'an, Shaanxi Province. Right tile inscribed 單於天降 ("The Chanyu [Xiongnu leader] submits to heaven"), unearthed at ZHaowan, Baotou, Inner Mongolia, 1955.
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