7月25日，广西民族博物馆内，“铜鼓王”云雷纹大铜鼓吸引市民驻足观看。云雷纹大铜鼓出土于广西北流，面径165厘米，重约300公斤。据国家鉴定委员会鉴定，该铜鼓是迄今为止世界考古史上发现的最大铜鼓。[中新社 俞靖 摄]
A visitor looks at a bronze drum on display at the Anthropology Museum of Guangxi in Nanning City, capital of South China's Guangxi Zhuang Autonomous Region, July 25, 2017. The drum with cloud and thunder patterns was excavated at Guangxi's Beiliu city. The drum measuring 165 centimeters in diameter and weighing about 300 kilograms is the largest in the world found in all of archaeological history. (Photo: China News Service/Yu Jing)