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Two pieces of stone with inscriptions in ancient Tibetan are seen in Shiqu county, Southwest China's Sichuan province, June 28, 2016. These stone inscriptions, all carved during the period of ancient Tubo, a Tibetan regime in ancient China, were listed as the top 10 archaeological discoveries in 2013. Archaeologists concluded that there are three groups of stone inscriptions, including 17 pieces with various content, like different Buddhist figures. [Photo/Xinhua]