Photo taken on Oct. 21, 2018 shows gold buttons excavated from the Jiangkou stretch of the Minjiang River during an exhibition at Sichuan Museum in Chengdu, southwest China's Sichuan Province. Archaeologists found artifacts at the site of a peasant uprising at the end of the Ming Dynasty (1368-1644) from the Jiangkou stretch of the Minjiang River in Meishan, Sichuan. The ruins of Jiangkou ancient battlefield was inscribed among China's Top 10 Archeological Findings in 2017. A total of 521 cultural relics were displayed in the exhibition. Kicking off here on Sunday, the exhibition will last to Jan. 18, 2019. (Xinhua/Liu Kun)