Undated file photo shows bookmarks in the form of deer antler, designed by the cultural product development team of the National Museum of China, in imitation of typical ornaments of Normads in the past. (Photo/Xinhua)
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Undated file photo shows bookmarks in the form of deer antler, designed by the cultural product development team of the National Museum of China, in imitation of typical ornaments of Normads in the past. (Photo/Xinhua)
